HiFi-Midrange Speake by Number One

SSP £39.99


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Item Information

HiFi midrange speaker, 120WMAX, 8Ω High-end technique matching the SPH-... series, coated special cone with highly dampening dust cap and extra flat basket (does not have to be recessed!), top linearity, perfect mass-drive ratio with a wide bandwidth, HiFi for highest requirements.
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.

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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)85Hz
Max. frequency range fx-10,000Hz
Rec. crossover freq. (fmax.)300/5,000Hz
Music power 120WMAX (400-5,000Hz)
Power rating (P) 50WRMS
SPL (1W/1m)89dB
Suspension compl. (Cms)0.8mm/N
Moving mass (Mms)4.5g
Mech. resistance (Rms)-
Mech. Q factor (Qms)1.98
Electr. Q factor (Qes)0.55
Total Q factor (Qts)0.43
Equivalent volume (Vas)4 l
DC resistance (Re)6.3Ω
Voice coil induct. (Le)0.3mH
Voice coil diameter25mm
Voice coil formeraluminium
Voice coil winding height7mm
Air gap height4mm
Linear excursion (XMAX)±1.5mm
Eff. cone area (Sd)55 cm2
Volume displacement (Vd)8.25cm3
Force factor (BxL)4.8Tm
Reference efficiency (No)-
Magnet diameter72mm
Magnet weight 8oz.
Mounting cutout Ø 101mm
Mounting depth 55mm
Weight 0.6kg
Rec. net cabinet volume 
  Closed2.5 - 5 l