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Number One SPH-75/8 Mini Bass Midrange Speaker 3" 30W

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Number One SPH 75/8 Mini Bass Midrange Speaker 3 inch 30W
Number One SPH 75/8 Mini Bass Midrange Speaker 3 inch 30W
SKU 4007754094121
Product ID: 102770
Stock Level: 0
Price: £18.99

  • Description
  • Delivery
  • Back Orders


Miniature HiFi bass-midrange speaker 15W RMS, 30W MAX at 8Ω. Polypropylene cone rubber surround and drilled pole core for exceptionally high power capability ideally suited for very small speaker systems e.g. surround speakers.

Impedance (Z) 8 Ω
Resonant frequency (fs) 85 Hz
Max. frequency range f3-16,000 Hz
Music power 30 WMAX
Power rating (P) 15 WRMS
SPL (1 W/m) 83 dB
Suspension compl. (Cms) 1.3 mm/N
Moving mass (Mms) 2.7 g
Mech. Q factor (Qms) 3.9
Electr. Q factor (Qes) 0.65
Total Q factor (Qts) 0.56
Equivalent volume (Vas) 1.9 l
DC resistance (Re) 6.2 Ω
Force factor (BxL) 3.4 Tm
Voice coil induct. (Le) 0.15 mH
Voice coil diameter 20.5 mm
Voice coil former Kapton
Linear excursion (XMAX) ±0.75 mm
Eff. cone area (Sd) 32 cm2
Magnet weight 150 g
Weight 0.4 kg

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 at 12 noon on Thursdays. 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 the following Tuesdays.

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