HiFi-Woofer by Number One

SSP £79.99


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Item Information

HiFi bass speaker, 120WMAX, 8Ω An all-round speaker of high power capability with voice coil above average and long-term stable rubber surround, a powerful bass reproduction of high efficiency.
Packed Quantity
1 per pack
Manufacturer Number

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Delivery Information

For UK orders we offer a Free Delivery, Standard or Next Working Day delivery service.

We have separate delivery charges for Europe, North America, Japan and the Rest of the World based on the size, weight and destination of your order.

Please view our About Delivery page for full details.

Returns & Refunds

If an item is faulty or damaged on delivery and we are notified within 24 hours we will arrange for a replacement or a refund of the item - it needs to be within this time period for us to make claims with our couriers.

If you have simply changed your mind or no longer require the item(s), you must notify us within 7 days from receiving your order. The item(s) must be in their original unused and unopened packaging and be in a resalable condition for a full refund. You will need to pay for the cost of returning the item(s) and the item(s) remain your responsibility until we receive them.

Please view our Returns & Refunds page for full details.

Full Details

Impedance (Z)
Resonant frequency (fs)23Hz
Max. frequency range f3-3,000Hz
Rec. crossover freq. (fmax.)2,000Hz
Music power 120WMAX
Power rating (P) 60WRMS
SPL (1W/1m)91dB
Suspension compl. (Cms)1.19mm/N
Moving mass (Mms)42g
Mech. resistance (Rms)2.1kg/s
Mech. Q factor (Qms)2.86
Electr. Q factor (Qes)0.26
Total Q factor (Qts)0.24
Equivalent volume (Vas)205 l
DC resistance (Re)6.1Ω
Voice coil induct. (Le)1.5mH
Voice coil diameter50mm
Voice coil formeraluminium
Voice coil winding height17mm
Air gap height8mm
Linear excursion (XMAX)±4.5mm
Eff. cone area (Sd)350cm2
Volume displacement (Vd)157.5cm3
Force factor (BxL)11.7Tm
Reference efficiency (No)0.9%
Magnet diameter140mm
Magnet weight 39oz.
Mounting cutout Ø 235mm
Mounting depth 128mm
DimensionsØ 257mm
Weight 3.22kg
Rec. net cabinet volume 
  Closed30 l
  Bass-reflex55 l