PA-Woofer by Img Stage Line


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Item Information

Subwoofer of Highest Power CapabilityDual voice coil technique. The popular 40cm (15") class for a real subwoofer reproduction. The required cabinet dimensions are extremely small.Subwoofer, 2 x 400WMAX, 2 x 4Ω Stable complete cone with new geometry for highest stiffness and excellent dynamic response. Extra long excursion, with rubber surround and extensive air gap ventilation. Suitable for universal subwoofer applications from home cinema to compact DJ subwoofers.Klang+Ton  "A great speaker for universal subwoofer applications, from home cinema to compact PA subwoofers."
Packed Quantity
1 per pack
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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) 2 x 4Ω
Resonant frequency (fs)21.5Hz
Max. frequency range f3-800Hz
Rec. crossover freq. (fmax.)400Hz
Music power 2 x 400WMAX
Power rating (P) 2 x 250WRMS
SPL (1W/1m)89dB
Suspension compl. (Cms)0.28mm/N
Moving mass (Mms)199.5g
Mech. resistance (Rms)9.6kg/s
Mech. Q factor (Qms)2.81
Electr. Q factor (Qes)0.31
Total Q factor (Qts)0.28
Equivalent volume (Vas)275 l
DC resistance (Re)2 x 3.6Ω/1 x 7.2Ω
Voice coil induct. (Le)2 x 1.1mH/1 x 4.4mH
Voice coil diameter75.5mm
Voice coil formeraluminium
Voice coil winding height34.2mm
Air gap height12mm
Linear excursion (XMAX)±11.1mm
Eff. cone area (Sd)845cm2
Volume displacement (Vd)938cm3
Force factor (BxL)25.0Tm
Reference efficiency (No)0.86%
Magnet diameter180mm
Magnet weight 130oz.
Mounting cutout Ø 356mm
Mounting depth 180mm
DimensionsØ 402mm
Weight 11kg
Rec. net cabinet volume 
  Closed55 l
  Bass-reflex110 l