Scanspeak 18W/4424G00 Discovery Range, 18cm 4 Ohm Bass / Midrange.
The Scanspeak 18W/4424G00 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 a very smooth, controlled output. With a vented diecast chassis, lovely sound quality and a high sensitivity, this speaker represents excellent value for money.
Available in 4 and 8 ohms.
- Coated NRSC Fibre Glass Cone
- High efficiency ~91dB @ 2.83V
- Die cast Aluminium Chassis vented below spider
- Excellent Midrange clarity
- Low Damping SBR Rubber Surround
This woofer is 4 Ohms ; the 8 Ohm version is here : 18W/8424G00
|Resonant frequency (fs)
||Nominal impedance (Zn)
|Mechanical Q factor (Qms)
||DC resistance (Re)
|Electrical Q factor (Qes)
||RMS power handling
|Total Q factor (Qts)
|Equivalent volume (Vas)
Here's the full datasheet: