PA-Woofer by Img Stage Line


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Item Information

Subwoofer with extra low limit frequency, but at the same time of optimum high efficiency, mechanically ultra-stable due to double centering spiders.Professional PA subwoofer, 1,500WMAX, 8Ω The most popular sized bass speaker with double centering, high efficiency despite extra low possible limit frequency. The long excursion allows the stable mechanical conversion of the extra high power capability. Suitable for any professional applications, from discotheque to stage as well as mobile operation, as the required volume is still quite small.HiFi-Selbstbau, Online magazine 2008 "The SP-38A/500BS from IMG Stage Line is a classic 38cm bass speaker of an appealing design with a high efficiency (96.5dB/2.83V/m), linear frequency response up to 2kHz, low K3+ and practice-orientated TSP parameters."
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)37Hz
Max. frequency range f3-3,500Hz
Rec. crossover freq. (fmax.)3,500Hz
Music power 1,500WMAX
Power rating (P) 500WRMS
SPL (1W/1m)97dB
Suspension compl. (Cms)0.16mm/N
Moving mass (Mms)107g
Mech. resistance (Rms)5.85kg/s
Mech. Q factor (Qms)4.37
Electr. Q factor (Qes)0.38
Total Q factor (Qts)0.35
Equivalent volume (Vas)168 l
DC resistance (Re)
Voice coil induct. (Le)1.6mH
Voice coil diameter100mm
Voice coil formerKapton
Voice coil winding height20mm
Air gap height8mm
Linear excursion (XMAX)±6mm
Eff. cone area (Sd)855cm2
Volume displacement (Vd)513cm3
Force factor (BxL)18.25Tm
Reference efficiency (No)2.3%
Magnet diameter222mm
Magnet weight 93.4oz.
Mounting cutout Ø 355mm
Mounting depth 160mm
DimensionsØ 385mm
Weight 9.9kg
Rec. net cabinet volume 
  Closed65 l
  Bass-reflex> 90 l