{"title":"4-5 inch Bass \/ Midrange Speakers","description":"\u003ch2\u003e\u003cstrong\u003eA selection of small bass \/ midrange drive units.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: large;\" size=\"4\"\u003e 4 - 5 inch Bass \/ Midrange loudspeaker drive units from various manufacturers including the aluminium cone \u003cstrong data-mce-fragment=\"1\"\u003eFountek FW100B\u003c\/strong\u003e with its highly dynamic sound and low distortion, the high performance NRSC glassfibre cone \u003cstrong\u003eScanspeak Discovery 12W\u003c\/strong\u003e (4 and 8 ohm versions) and\u003cstrong\u003e Morel CAW \/ EW\u003c\/strong\u003e (Classic Advanced and Elite series) 428 drive units.\u003cstrong\u003e \u003cspan style=\"color: #ff2a00;\"\u003eNew additions\u003c\/span\u003e\u003c\/strong\u003e to this range from \u003cstrong\u003eSB Acoustics\u003c\/strong\u003e : the excellent value \u003cstrong\u003eSB12\u003c\/strong\u003e series with various options such as rubber or foam surround, 4 or 8 ohms and ceramic or Norex cones. All of these drivers can be used as dedicated midrange units in larger 3 way speaker systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: large;\" size=\"4\"\u003ePhone helpline: 01702 523999 or \u003ca title=\"Contact Willys-Hifi Ltd.\" href=\"https:\/\/willys-hifi.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n","products":[{"product_id":"scanspeak-12w-4524g00","title":"Scanspeak 12W\/4524G00 Midwoofer - Discovery Range","description":"\u003ch2\u003e\u003cstrong\u003eScanspeak 12W\/4524G00 Discovery Range 12.5cm 4 Ohm Midwoofer with NRSC cone.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Discovery logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Discovery_Logo_medium.jpg?6548913829363260005\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThis 4 ohm 12.5cm \/ 5 inch bass - midrange speaker has a wide useable bandwidth and is designed to be used as either a midwoofer in high quality compact 2 way systems or alternatively as a dedicated midrange in larger 3 way designs. Features include a coated glass fibre cone, strong diecast chassis and vented motor system.\u003c\/p\u003e\n\u003cp\u003eAs with all the discovery range units, this driver provides a level of refinement and performance that belies its price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis is the 4 ohm version of the  \u003ca title=\"Scanspeak 12W\/8524G00 from Willys-Hifi.com\" target=\"_blank\" href=\"http:\/\/willys-hifi.com\/products\/scanspeak-12w-8524g00\" rel=\"noopener noreferrer\"\u003e12W\/8524G00\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eWide Operating Frequency Range\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eCoated NRSC Fibre Glass Cone \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eDie cast Alu Chassis vented below spider\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eSuitable for 2-way or 3-way (as midrange)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eLow Damping SBR Rubber Surround\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBasic parameters:\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e50 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e3.35\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.9 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.30\u003c\/td\u003e\n\u003ctd\u003eRMS power handling\u003c\/td\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.27\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e88.8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e8.2L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Scanspeak 12W\/4524G00 Datasheet\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/12w-4524g00.pdf?3324347240194280818\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3324347240194280818\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Scanspeak","offers":[{"title":"Default Title","offer_id":1931456257,"sku":"12W\/4524G00","price":53.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/12w-4524g00_7d904cf3-dd9b-4412-9f83-8f64894e3e65.jpg?v=1571171822"},{"product_id":"scanspeak-12w-8524g00","title":"Scanspeak 12W\/8524G00 Midwoofer - Discovery Range","description":"\u003ch2\u003e\u003cstrong\u003eScanspeak 12W\/8524G00 Discovery Range 12.5cm Midwoofer with NRSC cone. 8 Ohms.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Discovery logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Discovery_Logo_medium.jpg?6548913829363260005\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThis 12.5cm \/ 5 inch bass - midrange speaker has a wide useable bandwidth and is designed to be used as either a midwoofer in high quality compact 2 way systems or alternatively as a dedicated midrange in larger 3 way designs. Features include a coated glass fibre cone, strong diecast chassis and vented motor system.\u003c\/p\u003e\n\u003cp\u003eAs with all the discovery range units, this driver provides a level of refinement and performance that belies its price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlso available in 4 ohms impedance, click \u0026gt; \u003ca title=\"Scanspeak 12W\/4524G00 from Willys-Hifi.com\" target=\"_blank\" href=\"http:\/\/willys-hifi.com\/products\/scanspeak-12w-4524g00\" rel=\"noopener noreferrer\"\u003e12W\/4524G00\u003c\/a\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eWide Operating Frequency Range\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eCoated NRSC Fibre Glass Cone \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eDie cast Alu Chassis vented below spider\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eSuitable for 2-way or 3-way (as midrange)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eLow Damping SBR Rubber Surround\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan style=\"color: #000000;\"\u003eBasic parameters:\u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e52 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e3.42\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.7 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003ctd\u003eRMS power handling\u003c\/td\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.32\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e88.8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e8.2L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Scanspeak 12W\/8524G00 Datasheet\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/12w-8524g00.pdf?3324347240194280818\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3324347240194280818\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Scanspeak","offers":[{"title":"Default Title","offer_id":1932794561,"sku":"12W\/8524G00","price":53.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/12w-4524g00.jpg?v=1571171821"},{"product_id":"accuton-c90-6-724-ceramic-midrange-cell-concept-driver","title":"Accuton C90-6-724 Ceramic Mid \/ Bass","description":"\u003ch2\u003e\u003cstrong\u003eEsoteric Ceramic Midrange \/ Bass unit with 124mm chassis. Cell Concept Driver.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Datasheet_C30-6-358-1_compact.jpg?204331762945160907\" alt=\"Accuton logo\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe C90-6-724 is a 5 inch chassis (124mm)  Midrange \/ Bass drive unit with an ultra hard ceramic (Sapphire) diaphragm in the form of a large inverted dome.\u003c\/p\u003e\n\u003cp\u003eThe voice coil former is the same diameter as the dome and is bonded to its outer periphery - the entire rear radiating surface is completely unobstructed and free from the effects of reflection or unwanted stored energy.\u003c\/p\u003e\n\u003cp\u003eThis unit features a low loss rubber surround and a strong but delicate fabric spider giving an impressive maximum linear excursion of 8mm.\u003c\/p\u003e\n\u003cp\u003eA very discrete and secure clamping technique provides easy mounting and adaptation to individual baffles.\u003c\/p\u003e\n\u003cp\u003eWe recommend an application from 60 Hz – 6000 Hz.\u003c\/p\u003e\n\u003cp\u003eFull datasheets can be downloaded from below.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra hard diaphragm (Corundum \/ Sapphire)\u003c\/li\u003e\n\u003cli\u003e124mm round chassis with protective grille\u003c\/li\u003e\n\u003cli\u003eVented pole piece and spider assembly\u003c\/li\u003e\n\u003cli\u003eUnderhung motor, 80mm VC former\u003c\/li\u003e\n\u003cli\u003eExtended response 60Hz - 6Khz\u003c\/li\u003e\n\u003cli\u003eZero reflection design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBasic Parameters:\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e65Hz\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.9Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003ctd\u003ePower handling\u003c\/td\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e5.47\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e89dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.52\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\/square\u003c\/td\u003e\n\u003ctd\u003e124mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.1L\u003c\/td\u003e\n\u003ctd\u003eCutout diameter\/square\u003c\/td\u003e\n\u003ctd\u003e124.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eClick icons to download :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Accuton C90-6-724 datasheet from Willys-Hifi.com\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Datasheet_C90-6-724.pdf?14141286026231604197\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3139024981489607187\" style=\"float: none;\"\u003e\u003c\/a\u003eData                              \u003ca title=\"Accuton Cell Concept Driver mounting\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Cell_driver_mounting_instructions.pdf?2762083385754131663\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?14141286026231604197\" alt=\".pdf icon\"\u003e\u003c\/a\u003eMounting\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Accuton C90-6-724 Dimensions\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Dimensions_C90-6-724.pdf?14141286026231604197\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3139024981489607187\" style=\"float: none;\"\u003e\u003c\/a\u003eDimensions                  \u003ca title=\"Accuton C90-6-724 3D view\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/C90-6-724_3D.PDF?2762083385754131663\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?14141286026231604197\" alt=\".pdf icon\"\u003e\u003c\/a\u003e3D View\u003c\/p\u003e\n\u003cp\u003eBuilt to order - contact us for a lead time.\u003c\/p\u003e","brand":"Accuton","offers":[{"title":"Default Title","offer_id":14970161351,"sku":"C90-6-724","price":445.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/C90-6-724-1_465a1ed6-72df-4ef5-b679-8fb46df8f680.jpg?v=1571161681"},{"product_id":"morel-caw-428-woofer","title":"Morel CAW 428 Woofer","description":"\u003ch2\u003e\u003cstrong\u003eClassic Advanced 4\" Woofer, 2.1\" voicecoil, 8Ω\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Morel Logo\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Morel_Logo_small.jpg?9529702425477908235\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Morel CAW 428 is a 4 inch 8 ohm Woofer from the Classic Advanced range featuring the Morel Uniflow rigid steel chassis, Neodymium magnet system, 2.1 inch Hexatech voice coil and a shallow DPC (damped composite polymer) cone. The 8mm maximum linear excursion is high for a driver of this size.\u003c\/p\u003e\n\u003cp\u003eThe CAW range replace the legendary MW range.\u003c\/p\u003e\n\u003cp\u003eDecoding Morel type numbers: \u003cstrong\u003eCAW\u003c\/strong\u003e = \u003cstrong\u003eC\u003c\/strong\u003elassic \u003cstrong\u003eA\u003c\/strong\u003edvanced \u003cstrong\u003eW\u003c\/strong\u003eoofer;  \u003cstrong\u003e428 \u003c\/strong\u003e= \u003cstrong\u003e4\u003c\/strong\u003e inch cone, \u003cstrong\u003e2.1\u003c\/strong\u003e inch voicecoil, \u003cstrong\u003e8\u003c\/strong\u003e ohm impedance.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e2.1\" Large Hexatech™ Aluminum voice coil\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eNeodymium magnet system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eUniflow™ steel chassis\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eShallow profile D.P.C cone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh maximum linear excursion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh power handling\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003eBasic parameters:\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e49 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e2.33\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.5 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.46\u003c\/td\u003e\n\u003ctd\u003eRMS power handling\u003c\/td\u003e\n\u003ctd\u003e150W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.38\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.5 L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003c\/td\u003e\n\u003ctd\u003e118.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Morel CAW 428 datasheet\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/CAW428.pdf?18165131861851855049\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3324347240194280818\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCAW428\u003c\/p\u003e","brand":"Morel","offers":[{"title":"Default Title","offer_id":22007579271,"sku":"Morel CAW 428","price":132.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/CAW428_1.jpg?v=1571158021"},{"product_id":"morel-ew-428-woofer","title":"Morel EW 428 Woofer","description":"\u003ch2\u003e\u003cstrong\u003eElite 4\" Woofer, 2.1\" voicecoil, 8Ω\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Morel Logo\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Morel_Logo_small.jpg?9529702425477908235\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Morel EW 428 is a 4 inch 8 ohm Woofer from the Elite range featuring the Morel Uniflow rigid steel chassis, a powerful Neodymium magnet system, 2.1 inch Hexatech aluminium voice coil and a shallow DPC (damped composite polymer) cone.  The rated power is high at 150w nominal, 800w peak. This driver features a large vent in the pole piece for minimal compression when driven hard and has a high maximum linear excursion of 9mm.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e2.1\" Large Hexatech™ Aluminum voice coil\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eNeodymium magnet system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eUniflow™ steel chassis\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eShallow profile D.P.C cone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh maximum linear excursion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh power handling\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003eBasic parameters:\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e62 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e2.36\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.3 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.41\u003c\/td\u003e\n\u003ctd\u003eRMS power handling\u003c\/td\u003e\n\u003ctd\u003e150W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e87 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.7 L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003c\/td\u003e\n\u003ctd\u003e118.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Morel EW 428 datasheet\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/EW428.pdf?377679824542404163\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3324347240194280818\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eEW428\u003c\/p\u003e","brand":"Morel","offers":[{"title":"Default Title","offer_id":22385363847,"sku":"Morel EW 428","price":183.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/EW428-CONE1_f57e9e53-ce4b-49a4-ab75-8fb1e58e1a97.jpg?v=1571163001"},{"product_id":"morel-integra-424-hybrid-coaxial-speaker","title":"Morel Integra 424 Hybrid Coaxial Speaker","description":"\u003ch2\u003e\u003cstrong\u003eMorel Integra 424 Hybrid Coaxial Speaker.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg alt=\"Morel Logo\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Morel_Logo_small.jpg?9529702425477908235\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003e2 way time aligned coaxial speaker featuring a 118mm (4\") composite paper cone woofer and a 28mm (1.1\") Acuflex treated soft dome tweeter. Hybrid mixed magnet system comprising Neodymium \/ Ferrite elements. A culmination of various Morel innovations matched and combined resulting in a high performance single point source drive unit.\u003c\/p\u003e\n\u003cp\u003eAlso available: Morel Integra 524 (5\") , Morel Integra 624 (6\").\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e2.1\" Large Hexatech™ Aluminum voice coil (woofer)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh flux Hybrid™ mixed Neodymium \/ Ferrite magnet\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e28mm tweeter hand treated with Acuflex\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eTime aligned configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh power handling\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #000000;\"\u003eBasic parameters (woofer):\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e120 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e2.47\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.0 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003ePeak power handling\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.48\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e2.0 L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003c\/td\u003e\n\u003ctd\u003e118.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Morel Integra 424 datasheet\" target=\"_blank\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Integra-424-data-sheet.pdf?17851611489183990628\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\".pdf icon\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_large.jpg?3324347240194280818\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCo axial\u003c\/p\u003e","brand":"Morel","offers":[{"title":"Default Title","offer_id":51983240339,"sku":"Morel Integra 424","price":159.55,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/Morel_Integra_424.jpg?v=1571163181"},{"product_id":"fountek-fw100b-midwoofer","title":"Fountek FW100B Midwoofer","description":"\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/Fountek_large.png?v=1560504808\" alt=\"Fountek logo\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Fountek FW100B is a 4 inch \/ 100mm midwoofer featuring an anodised aluminium cone and ferrite magnet system. This small midwoofer has a large linear excursion of ± 4mm with a punchy bass response and good midrange extension. As to be expected with an aluminium cone drive unit, the transient response is excellent.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #00ff00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eAluminium cone - excellent transients\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eRigid steel pincushion style chassis\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e26mm copper voice coil\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHigh compliance rubber suspension\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eAluminium voice coil former\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eLong throw design \u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eLow distortion\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBasic parameters:\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e77 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e3.08\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.2 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.78\u003c\/td\u003e\n\u003ctd\u003eRMS power handling\u003c\/td\u003e\n\u003ctd\u003e35 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.62\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003c\/td\u003e\n\u003ctd\u003e84dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e2.12L\u003c\/td\u003e\n\u003ctd\u003eChassis size (pincushion)\u003c\/td\u003e\n\u003ctd\u003e104x104 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003c\/h4\u003e","brand":"Willys-Hifi Ltd","offers":[{"title":"Default Title","offer_id":21112309415995,"sku":"Fountek FW100B","price":34.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/FW100BA.jpg?v=1571156881"},{"product_id":"sb-acoustics-sb12cacs25-4-ceramic-midwoofer-speaker","title":"SB Acoustics SB12CACS25-4 Ceramic Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12CACS25-4 is a 4 inch 4 ohm midwoofer featuring a white ceramic cone. The ceramic layer is bonded to an aluminium substrate, this combination of materials results in an excellent stiffness to damping ratio; consequently, the midrange distortion figures are class leading. These units offer finely detailed sound and are largely impervious to the effects of daylight and domestic humidity making them an ideal alternative to paper \/ pulp.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 8 ohms: SB12CACS25-8\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented cast aluminum chassis for optimum strength and low compression.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSoft low damping rubber surround for improved transient response.\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eUltra hard ceramic cone for dynamic sound.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimal damping.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e51 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e4.89\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.33\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.31\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e88dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.7L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12CACS25-4.pdf?v=1635432649\" title=\"SB Acoustics SB12CACS25-4 datasheet\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41614183530670,"sku":"SB12CACS25-4","price":58.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12CACS25-4.jpg?v=1635503474"},{"product_id":"sb-acoustics-sb12cacs25-8-ceramic-midwoofer-speaker","title":"SB Acoustics SB12CACS25-8 Ceramic Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12CACS25-8 is a 4 inch 8 ohm midwoofer featuring a white ceramic cone. The ceramic layer is bonded to an aluminium substrate, this combination of materials results in an excellent stiffness to damping ratio; consequently, the midrange distortion figures are class leading. Hard ceramic cones offer a fine detailed sound and are largely impervious to the effects of daylight and domestic humidity making them an ideal alternative to paper \/ pulp.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 4 ohms: SB12CACS25-4.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented cast aluminum chassis for optimum strength and low compression.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSoft low damping rubber surround for improved transient response.\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eUltra hard ceramic cone for dynamic sound.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimal damping.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e51 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e4.85\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.4\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.37\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e85.5dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e6.5L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12CACS25-8.pdf?v=1635432649\" title=\"SB Acoustics SB12CACS25-8 datasheet\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41614304084142,"sku":"SB12CACS25-8","price":58.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12CACS25-8.jpg?v=1635504175"},{"product_id":"sb-acoustics-sb12nrx25-4-norex-midwoofer","title":"SB Acoustics SB12NRX25-4 Norex Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12NRX25-4 is a 4 inch 4 ohm midwoofer featuring a Norex cone. Norex is a proprietary paper based material comprised of wood pulp and selected natural fibres blended for an optimally strong but lightweight cone that gives detailed sound with good midrange extension. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 8 ohms: SB12NRX25-8.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary cone material with natural fibres made in-house.\u003c\/li\u003e\n\u003cli\u003eHigh damping Butyl rubber surround for non-resonant sound character.\u003c\/li\u003e\n\u003cli\u003eVented cast aluminium chassis for optimum strength and low compression.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimum damping.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e55 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e3.2\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.46\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.40\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87.5dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.6L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"SB Acoustics SB12NRX25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12NRX25-4.pdf?v=1636036119\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41651599868078,"sku":"SB12NRX25-4","price":45.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12NRX25-4.jpg?v=1636038161"},{"product_id":"sb-acoustics-sb12nrx25-8-norex-midwoofer","title":"SB Acoustics SB12NRX25-8 Norex Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12NRX25-8 is a 4 inch 8 ohm midwoofer featuring a Norex cone. Norex is a proprietary paper based material comprised of wood pulp and selected natural fibres blended for an optimally strong but lightweight cone that gives detailed sound with good midrange extension. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 4 ohms: SB12NRX25-4.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary cone material with natural fibres made in-house.\u003c\/li\u003e\n\u003cli\u003eHigh damping Butyl rubber surround for non-resonant sound character.\u003c\/li\u003e\n\u003cli\u003eVented cast aluminium chassis for optimum strength and low compression.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimum damping.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e57 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e4.1\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.41\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.37\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e85.5dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.3L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12NRX25-8.pdf?v=1636036119\" title=\"SB Acoustics SB12NRX25-8 datasheet\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41651863158958,"sku":"SB12NRX25-8","price":45.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12NRX25-8.jpg?v=1636040968"},{"product_id":"sb-acoustics-sb12nrxf25-4-norex-midwoofer","title":"SB Acoustics SB12NRXF25-4 Norex Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12NRXF25-4 is a 4 inch 4 ohm midwoofer featuring a Norex cone with a foam surround and a rigid aluminium chassis. Norex is a proprietary paper based material comprised of wood pulp and selected natural fibres blended for an optimally strong but lightweight cone that, combined with the foam surround, gives excellent midrange extension with resolution and detail. This unit can be used as a fine midrange drive unit.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 8 ohms: SB12NRXF25-8.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary cone material with natural fibres made in-house.\u003c\/li\u003e\n\u003cli\u003eFoam surround for maximum transparency and midrange resolution.\u003c\/li\u003e\n\u003cli\u003eVented cast aluminium chassis for optimum strength and low compression.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimum damping.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e61 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e5.3\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.53\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.48\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.1L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"SB Acoustics SB12NRXF25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12NRXF25-4.pdf?v=1636036119\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41651912245422,"sku":"SB12NRXF25-4","price":43.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12NRXF25-4.jpg?v=1636041804"},{"product_id":"sb-acoustics-sb12nrxf25-8-norex-midwoofer","title":"SB Acoustics SB12NRXF25-8 Norex Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12NRXF25-8 is a 4 inch 8 ohm midwoofer featuring a Norex cone with a foam surround and a rigid aluminium chassis. Norex is a proprietary paper based material comprised of wood pulp and selected natural fibres blended for an optimally strong but lightweight cone that, combined with the foam surround, gives excellent midrange extension with resolution and detail. This unit can be used as a fine midrange drive unit.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 4 ohms: SB12NRXF25-4.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary cone material with natural fibres made in-house.\u003c\/li\u003e\n\u003cli\u003eFoam surround for maximum transparency and midrange resolution.\u003c\/li\u003e\n\u003cli\u003eVented cast aluminium chassis for optimum strength and low compression.\u003c\/li\u003e\n\u003cli\u003eVented pole piece for reduced compression.\u003c\/li\u003e\n\u003cli\u003eCCAW voice coil for reduced moving mass.\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibre glass coil former for minimum damping.\u003c\/li\u003e\n\u003cli\u003eLong life silver lead wires.\u003c\/li\u003e\n\u003cli\u003eFaraday shorting ring in motor system for reduced distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e63 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e5.4\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.46\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.42\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e85dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.2L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e123mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12NRXF25-8.pdf?v=1636036119\" title=\"SB Acoustics SB12NRXF25-8 datasheet\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":41652032962734,"sku":"SB12NRXF25-8","price":43.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12NRXF25-8.jpg?v=1636042397"},{"product_id":"sb-acoustics-sb12pac25-4-aluminium-midwoofer","title":"SB Acoustics SB12PAC25-4 Aluminium Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB Acoustics SB12PAC25-4 is a 4 inch 4 ohm midwoofer featuring an anodised aluminium cone, a low damping rubber surround and a reinforced plastic chassis. A long throw design offering an extended frequency response with fast transients.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available with a standard (round) chassis:  \u003ca rel=\"noopener\" title=\"SB Acoustics SB12PACR25-4\" href=\"https:\/\/willys-hifi.com\/products\/sb-acoustics-sb12pacr25-4-midwoofer\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSB12PACR25-4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented reinforced plastic chassis.\u003c\/li\u003e\n\u003cli\u003eAnodised aluminium cone.\u003c\/li\u003e\n\u003cli\u003eLow damping rubber surround.\u003c\/li\u003e\n\u003cli\u003eLarge vented motor system.\u003c\/li\u003e\n\u003cli\u003eLong stroke linear suspension.\u003c\/li\u003e\n\u003cli\u003eLight weight CCAW voice coil.\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibreglass coil former.\u003c\/li\u003e\n\u003cli\u003eNon-resonant long life lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e52.5 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e5.0\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.33\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.31\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.3L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter (pincushion)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e112.5mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"SB Acoustics SB12PAC25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12PAC25-4.pdf?v=1642681362\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":42327003660543,"sku":"SB12PAC25-4","price":22.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12PAC25-4.jpg?v=1642681825"},{"product_id":"sb-acoustics-sb12pfcr25-4-paper-midwoofer","title":"SB Acoustics SB12PFCR25-4 Paper Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eUK STOCK ITEM\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB12PFCR25-4 by SB Acoustics is a 4 inch 4 ohm midwoofer speaker featuring a blended paper fibre cone, a vented reinforced plastic chassis and an optimised long throw motor system. Smooth extended response, excellent value.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 8 ohms: SB12PFCR25-8.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented reinforced plastic chassis.\u003c\/li\u003e\n\u003cli\u003eProprietary cone material with natural fibers made in-house.\u003c\/li\u003e\n\u003cli\u003eButyl rubber surround for smooth frequency response.\u003c\/li\u003e\n\u003cli\u003eVented motor system for low compression.\u003c\/li\u003e\n\u003cli\u003eLong stroke linear suspension for improved dynamics.\u003c\/li\u003e\n\u003cli\u003eNon-resonant long life lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e58 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e3.4\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.49\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.43\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87.5dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.2L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e122mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"SB Acoustics SB12PFCR25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12PFCR25-4.pdf?v=1642681557\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":42327401857279,"sku":"SB12PFCR25-4","price":20.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12PFCR25-4.jpg?v=1642691275"},{"product_id":"sb-acoustics-sb12pfcr25-8-paper-midwoofer","title":"SB Acoustics SB12PFCR25-8 Paper Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"Polaris-TextStyle--variationSubdued_1segu\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003eUK STOCK ITEM\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB12PFCR25-8 by SB Acoustics is a 4 inch 8 ohm midwoofer speaker featuring a blended paper fibre cone, a vented reinforced plastic chassis and an optimised long throw motor system. Smooth extended response, excellent value.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 4 ohms: SB12PFCR25-4.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented reinforced plastic chassis.\u003c\/li\u003e\n\u003cli\u003eProprietary cone material with natural fibers made in-house.\u003c\/li\u003e\n\u003cli\u003eButyl rubber surround for smooth frequency response.\u003c\/li\u003e\n\u003cli\u003eVented motor system for low compression.\u003c\/li\u003e\n\u003cli\u003eLong stroke linear suspension for improved dynamics.\u003c\/li\u003e\n\u003cli\u003eNon-resonant long life lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e64 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e4.1\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.65\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.56\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e84.5dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.3L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e122mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12PFCR25-8.pdf?v=1642681557\" title=\"SB Acoustics SB12PFCR25-8 datasheet\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":42327449895167,"sku":"SB12PFCR25-8","price":18.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB12PFCR25-8.jpg?v=1642692531"},{"product_id":"sb-acoustics-sb13pfcr25-4-paper-midwoofer","title":"SB Acoustics SB13PFCR25-4 Paper Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003eUK STOCK ITEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB13PFCR25-4 by SB Acoustics is a 5 inch 4 ohm midwoofer speaker featuring a blended paper fibre cone, a vented reinforced plastic chassis and an optimised motor system. Like other SB Acoustics plastic chassis drivers, the SB13PFCR25-4 has a smooth response and is incredible value for money.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 8 ohms: SB13PFCR25-8.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented reinforced plastic chassis.\u003c\/li\u003e\n\u003cli\u003eProprietary cone material with natural fibers made in-house.\u003c\/li\u003e\n\u003cli\u003eSoft low damping rubber surround for improved transient response.\u003c\/li\u003e\n\u003cli\u003eOptimised motor system.\u003c\/li\u003e\n\u003cli\u003eVented coil former for low compression\u003c\/li\u003e\n\u003cli\u003eNon-resonant long life lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e44 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e2.6\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.2 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.33\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.29\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e89dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e13.4L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e150mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"SB Acoustics SB13PFCR25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/5in-SB13PFCR25-4.pdf?v=1642681557\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":42327461396735,"sku":"SB13PFCR25-4","price":24.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB13PFCR25-4.jpg?v=1642693390"},{"product_id":"sb-acoustics-sb13pfcr25-8-paper-midwoofer","title":"SB Acoustics SB13PFCR25-8 Paper Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003eUK STOCK ITEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB13PFCR25-8 by SB Acoustics is a 5 inch 8 ohm midwoofer speaker featuring a blended paper fibre cone, a vented reinforced plastic chassis and an optimised motor system. Like other SB Acoustics plastic chassis drivers, the SB13PFCR25-8 has a smooth response and is incredible value for money.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in 4 ohms: SB13PFCR25-4.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVented reinforced plastic chassis.\u003c\/li\u003e\n\u003cli\u003eProprietary cone material with natural fibers made in-house.\u003c\/li\u003e\n\u003cli\u003eSoft low damping rubber surround for improved transient response.\u003c\/li\u003e\n\u003cli\u003eOptimised motor system.\u003c\/li\u003e\n\u003cli\u003eVented coil former for low compression\u003c\/li\u003e\n\u003cli\u003eNon-resonant long life lead wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e45 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e2.2\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.6 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.39\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.33\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e13.4L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e150mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/5in-SB13PFCR25-8.pdf?v=1642681557\" title=\"SB Acoustics SB13PFCR25-8 datasheet\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":42327499636991,"sku":"SB13PFCR25-8","price":24.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/products\/SB13PFCR25-8.jpg?v=1642694048"},{"product_id":"peerless-p830870-hds-106-ppb-midwoofer","title":"Peerless P830870 HDS-106 PPB Midwoofer","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Peerless logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PEERLESSPRODUCTLOGO_240x240.jpg?v=1686824670\" width=\"282\" height=\"82\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003eUK STOCK ITEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Peerless P830870 HDS-106 PPB  is a 4 inch 8 ohm midwoofer from the High Definition Sound series featuring a polypropylene cone, a fully ventilated diecast chassis and a powerful long throw motor system. Very broad response curve with a wide usable frequency range.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePolypropylene cone assembly\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLong excursion motor system\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eVented cone neck \/ coil former\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFully vented diecast chassis\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmooth extended response\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e100 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e1.92\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e5.3 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.87\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e25 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.6\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e84.7dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e1.73L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter (cropped)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e120mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca title=\"Peerless P830870 HDS-106 Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PEERLESS_HDS_P830870_DATASHEET.pdf?v=1686654926\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Tymphany","offers":[{"title":"Default Title","offer_id":44110271873279,"sku":"P830870 HDS-106","price":38.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PEERLESSP830870.jpg?v=1686826837"},{"product_id":"sb-acoustics-sb12pacr25-4-midwoofer","title":"SB Acoustics SB12PACR25-4 Midwoofer","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\" alt=\"SB Acoustics logo\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eNEW PRODUCT - UK STOCK ITEM\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe SB Acoustics SB12PACR25-4 is a 4 inch 4 ohm midwoofer featuring an anodised aluminium cone, a low damping rubber surround and a reinforced round plastic chassis. A long throw design offering an extended frequency response with fast transients.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the round chassis version of the SB12PAC25-4 (pincushion style chassis).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe also stock a matching passive radiator  : \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSB12PACR-00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnodised aluminum cone\u003c\/li\u003e\n\u003cli\u003eLow damping rubber surround\u003c\/li\u003e\n\u003cli\u003eLong stroke linear suspension\u003c\/li\u003e\n\u003cli\u003eLight weight CCAW voice coil\u003c\/li\u003e\n\u003cli\u003eNon-conducting fibreglass coil former\u003c\/li\u003e\n\u003cli\u003eVented reinforced polymer chassis (round)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters (woofer):\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e52.5 Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e3.1 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e0.33\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e30 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e0.31\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e87dB\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e5.3L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter (round)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e122mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca rel=\"noopener\" title=\"SB Acoustics SB12PACR25-4 datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12PACR25-4_5dd7564c-24ec-4051-9bdf-ce7fe8fef014.pdf?v=1753948722\" target=\"_blank\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" alt=\".pdf link\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":55593086222716,"sku":"SB12PACR25-4","price":23.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB12PACR25-4.jpg?v=1753949093"},{"product_id":"sb-acoustics-sb12pacr25-00-passive-radiator","title":"SB Acoustics SB12PACR25-00 Passive Radiator","description":"\u003ch2\u003e\u003cstrong\u003e\u003cimg alt=\"SB Acoustics logo\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB_main_logo_480x480.jpg?v=1626778525\"\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eNEW PRODUCT - UK STOCK ITEM\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe SB Acoustics SB12PACR25-00 is a 4 inch adjustable passive radiator featuring an anodised aluminium cone. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to perfectly compliment the SB12PACR25-4 midwoofer.\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnodised aluminum cone\u003c\/li\u003e\n\u003cli\u003eLow damping rubber surround\u003c\/li\u003e\n\u003cli\u003eLong stroke linear suspension\u003c\/li\u003e\n\u003cli\u003eVented reinforced polymer chassis (round)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasily adjustable moving mass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBasic parameters:\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant frequency (fs)\u003c\/td\u003e\n\u003ctd\u003e33Hz\u003c\/td\u003e\n\u003ctd\u003eNominal impedance (Zn)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical  Q factor (Qms)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Q factor (Qes)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eMax power handling\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Q factor (Qts)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSensitivity (2.83V\/1m)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent volume (Vas)\u003c\/td\u003e\n\u003ctd\u003e4.3L\u003c\/td\u003e\n\u003ctd\u003eChassis diameter (round)\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e122mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eHere's the full datasheet:\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/4in-SB12PACR-00_0b272ff7-9ac4-4eb4-9624-9d0e7e02f2a7.pdf?v=1753951541\" title=\"SB Acoustics SB12PACR25-00 datasheet\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\".pdf link\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/PDF_data_icon_medium.jpg?3384343814914157156\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":55593144484220,"sku":"SB12PACR25-00","price":17.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/files\/SB12PACR25-00-RADIATOR.jpg?v=1756459046"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2387\/collections\/Dave01132_f86f6e52-d17d-4549-a537-8ba6e2c3579e.jpg?v=1572458097","url":"https:\/\/willys-hifi.com\/collections\/4-inch-bass-speakers\/fountek-midwoofer.oembed","provider":"Willys-Hifi Ltd","version":"1.0","type":"link"}