HiFi-Woofer by Number One

SSP £42.99


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Item Information

HiFi bass-midrange speaker, 100WMAX, 8Ω Especially strong drive and high power capability, suitable for all universal HiFi applications of high requirements, very well suited for bass-reflex and band pass cabinets up to horn combinations.
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)33Hz
Max. frequency range f3-5,000Hz
Rec. crossover freq. (fmax.)3,500Hz
Music power 100WMAX
Power rating (P) 50WRMS
SPL (1W/1m)89dB
Suspension compl. (Cms)1.22mm/N
Moving mass (Mms)16g
Mech. resistance (Rms)1.6kg/s
Mech. Q factor (Qms)2.02
Electr. Q factor (Qes)0.23
Total Q factor (Qts)0.21
Equivalent volume (Vas)36 l
DC resistance (Re)6.5Ω
Voice coil induct. (Le)1.1mH
Voice coil diameter35.5mm
Voice coil formeraluminium
Voice coil winding height15mm
Air gap height8mm
Linear excursion (XMAX)±3.5mm
Eff. cone area (Sd)137cm2
Volume displacement (Vd)48cm3
Force factor (BxL)9.7Tm
Reference efficiency (No)0.5%
Magnet diameter120mm
Magnet weight 29.5oz.
Mounting cutout Ø 142mm
Mounting depth 89mm
DimensionsØ 165mm
Weight 2.32kg
Rec. net cabinet volume 
  Bass-reflex> 10 l