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The SB Acoustics SB23NRXS45-4 is an 8 inch 4 ohm woofer / bass speaker featuring a Norex cone, a 45mm voice coil and a shallow profile vented cast 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 gives extended pistonic action. A versatile unit designed for applications with restricted rear depth.
Also available in 8 ohms: SB23NRXS45-8.
|Resonant frequency (fs)||27 Hz||Nominal impedance (Zn)||4 Ω|
|Mechanical Q factor (Qms)||5.55
||DC resistance (Re)||3.3 Ω|
|Electrical Q factor (Qes)||0.32
||Max power handling||60W|
|Total Q factor (Qts)||0.30
|Equivalent volume (Vas)||87.5L||Chassis diameter