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The SB Acoustics SB23NBACS45-4 is an 8 inch 4 ohm woofer / bass speaker featuring an aluminium cone, a 45mm voice coil and a shallow profile vented cast aluminium chassis. The cone features geometric reinforcing ribs which control diaphragm breakups / bell modes allowing for a smoother extended frequency response. A versatile unit designed for applications with restricted rear depth.
Also available in 8 ohms: SB23NBACS45-8.
|Resonant frequency (fs)||23 Hz||Nominal impedance (Zn)||4 Ω|
|Mechanical Q factor (Qms)||5.4
||DC resistance (Re)||3.3 Ω|
|Electrical Q factor (Qes)||0.35
||Max power handling||60W|
|Total Q factor (Qts)||0.33
|Equivalent volume (Vas)||95L||Chassis diameter