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UK STOCK ITEM
The 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.
Also available in 8 ohms: SB12NRX25-8.
|Resonant frequency (fs)||55 Hz||Nominal impedance (Zn)||4 Ω|
|Mechanical Q factor (Qms)||3.2
||DC resistance (Re)||3.1 Ω|
|Electrical Q factor (Qes)||0.46
||Max power handling||30 W|
|Total Q factor (Qts)||0.40
|Equivalent volume (Vas)||5.6L||Chassis diameter