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The Scanspeak 18W/8424G00 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 very smooth sound. A good choice for compact to medium 2 way designs - can also be used as a high quality general replacement drive unit.
Excellent performance to price ratio - available in 8Ω and 4Ω impedance.
This woofer is 8 Ohms ; the 4 Ohm version is here : 18W/4424G00
|Resonant frequency (fs)||54 Hz||Nominal impedance (Zn)||8 Ω|
|Mechanical Q factor (Qms)||4.04||DC resistance (Re)||5.7 Ω|
|Electrical Q factor (Qes)||0.51||RMS power handling||50 W|
|Total Q factor (Qts)||0.45||Sensitivity (2.83V/1m)||89.4 dB|
|Equivalent volume (Vas)||20.3L||Chassis diameter||180 mm|