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Number One SPH-250CTC Hi-Fi Subwoofer 10" 2x 150W.max

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Number One SPH 250CTC HiFi Subwoofer 10 inch 2x 150W.max
Number One SPH 250CTC HiFi Subwoofer 10 inch 2x 150W.max
SKU 4007754033892
Product ID: 101820
Stock Level: 40
In Stock In German Stock
In Stock Delivered Direct from Germany: 10-12 Working Days
Price: £128.99
  • Description
  • Delivery
  • Back Orders


Top HiFi subwoofer 2 x 150W MAX 2 x 8Ω. High-end speaker with aluminium diecast basket dual voice coil and carbon fibre cone. A preferred size for HiFi subwoofers of highest quality in medium-sized bass-reflex cabinets or also for 3-way speakers!

Impedance (Z) 2 x 8Ω
Resonant frequency (fs) 20 Hz
Max. frequency range f3-3 500 Hz
Rec. crossover freq. (fmax.) 2000 Hz
Music power 2 x 150W MAX
Power rating (P) 2 x 100W RMS
SPL (1W/1m) 91dB
Suspension compl. (Cms) 0.98mm/N
Moving mass (Mms) 70g
Mech. resistance (Rms) 1.7kg/s
Mech. Q factor (Qms) 5.12
Electr. Q factor (Qes) 0.26
Total Q factor (Qts) 0.25
Equivalent volume (vas) 220 l
DC resistance (Re) 2 x 6.8Ω/3.4Ω
voice coil induct. (Le) 2 x 1.0mH/1.0mH
voice coil diameter 50mm
voice coil former Kapton
voice coil winding height 17mm
Air gap height 8mm
Linear excursion (X MAX ) ±4.5mm
Eff. cone area (Sd) 343cm
volume displacement (vd) 155.7cm
Force factor (BxL) 9.6Tm
Reference efficiency (No) 0.8%
Magnet diameter 145mm
Magnet weight 1.2kg
Mounting cutout 229mm
Mounting depth 120mm
Dimensions 256mm
Weight 3.8kg
Closed 35 l
Bass-reflex 60 l

Shipping Policy

DPD Courier Service

Our shipping policy is simple, at this time we only deliver to addresses on the UK Mainland between Monday and Friday.
We will deliver goods ordered by you as soon as possible to the address you have give us for delivery.
But in any event within 1-3 days of your order, or 5-10 days for back ordered products.

Shipping Costs:

Only £6.99 for all UK Mainland Orders (not including the Islands or the Highlands of Scotland).

Some large weighted orders may require a pallet, you will be contacted with additional shipping costs if this happens.
Standard Pallet Costs from £50.00

Please note:

We do not ship to the Highlands and Islands of Scotland, Isle of Man, Isles of Scilly and the Channel Islands.
These include postcodes IM, IV, HS, KA27-28, KW, PA20-49, PA60-78, PH17-26, PH30-44, PH49-50, TR21-25, ZE.

Back Orders

Only out of stock products that are due back in stock within the next 14 days are available for back order. You may purchase these products with your order, but the delivery of any back ordered product will be as and when our own delivery has arrived, usually within 7-14 days. You will not be charged any additional shipping cost for these items and the rest of your order will be delivered as usual.

Basically we order our weekly stock from Germany before 12 noon on Wednesdays. Back Orders placed on the site before that time will be delivered to you within 7 days, usually on a Tuesday. Place a Back Order after that time, delivery to you would be within 7-14 days and usually on the following Tuesdays.

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