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Scanspeak Discovery 18W/4424G00 Midwoofer

Discovery 18cm 4 Ohm Bass / Midrange.

Discovery logo

The Scanspeak 18W/4424G00 is a 180mm (7 inch)  bass / midrange unit from the entry level Discovery range. This drive unit features the patented  NRSC ( Non Resonant Suspension Coupling) woven fibre glass cone which has excellent internal damping and a very smooth, controlled output. With a vented diecast chassis, lovely sound quality and a high sensitivity, this speaker represents excellent value for money.

Available in 4 and 8 ohms.

Key Features:

    • Coated NRSC Fibre Glass Cone
    • High efficiency ~91dB @ 2.83V
    • Die cast Aluminium Chassis vented below spider
    • Excellent Midrange clarity
    • Low Damping SBR Rubber Surround

    This woofer is 4 Ohms ; the 8 Ohm version is here : 18W/8424G00

    Basic parameters:

    Resonant frequency (fs) 49 Hz Nominal impedance (Zn) 4 Ω
    Mechanical  Q factor (Qms) 4.57 DC resistance (Re) 3.2Ω
    Electrical Q factor (Qes) 0.42 RMS power handling 50 W
    Total Q factor (Qts) 0.38 Sensitivity (2.83V/1m) 90.9 dB
    Equivalent volume (Vas) 24.1L Chassis diameter 180 mm

    Here's the full datasheet:

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    Priced as singles, including VAT. Sold as pairs only (2 units).





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