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The SB Acoustics SB20PFCR30-4 is an 8 inch 4 ohm woofer bass speaker featuring a paper / pulp cone, a vented reinforced plastic chassis and an optimised motor system. A relatively low priced woofer that gives an excellent cost to performance ratio.
Also available in 8 ohms: SB20PFCR30-8.
|Resonant frequency (fs)||34 Hz||Nominal impedance (Zn)||4 Ω|
|Mechanical Q factor (Qms)||2.78
||DC resistance (Re)||3.4 Ω|
|Electrical Q factor (Qes)||0.37
||Max power handling||50 W|
|Total Q factor (Qts)||0.33
|Equivalent volume (Vas)||66.2L||Chassis diameter