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B&C 21SW152 - 21" 2000W 4 Ohm Loudspeaker
- 4000 W continuous program power capacity
- 153 mm (6 in) split winding copper voice coil
- 30 - 1000 Hz response
- 96 dB sensitivity
- 60 mm peak-to-peak excursion before damage
- Neodymium magnet allows a very high force factor and linear excursion
- Double silicone spider with optimized compliance
- Ventilated voice coil gap for reduced power compression
- Aluminium demodulating ring for very low distortion
Specifications:
Design:
Parameters:
Mounting And Shipping Info:
- Nominal diameter 530 mm (21.0 in)
- Nominal impedance 4 ohms
- Minimum impedance 4.2 ohms
- Nominal power handling 2000 W
- Continuous power handling 4000 W
- Sensitivity (1W/1m) 96.0 dB
- Frequency range 30 - 1000 Hz
- Voice coil diameter 153 mm (6.0 in) Winding material
- Copper
- Former material Glass Fibre
- Winding depth 30 mm (1.18 in)
- Magnetic gap depth 12 mm (0.5 in)
- Flux density 1.2 T
Design:
- Surround shape Triple Roll
- Cone shape Radial
- Magnet material Neodymium Inside Slug
- Spider Double Silicone
- Pole design T-Pole
- Woofer cone treatment TWP Waterproof Both Sides
- Recommended enclosure 190.0 dm3 (6.71 ft3)
- Recommended tuning 33 Hz
Parameters:
- Fs 32 Hz
- Re 3.3 ohms
- Qes 0.31
- Qms 7.0
- Qts 0.3
- Vas 200.0 dm3 (7.0 ft3)
- Sd 1680.0 cm2 (260.4 in2)
- Reference efficiency 2.2 %
- Xmax 15.0 mm
- Xvar 16.0 mm
- Mms 460 g
- Bl 32.5 Txm
- Le 1.5 mH
- EBP 103 Hz
Mounting And Shipping Info:
- Overall diameter 547 mm (21.5 in)
- Bolt circle diameter 527 mm (20.7 in)
- Baffle cutout diameter 508.0 mm (20.0 in)
- Depth 261 mm (10.3 in)
- Flange and gasket thickness 16 mm (0.63 in)
- Air volume occupied by driver 16.0 dm3 (0.56 ft3)
- Net weight 18.5 kg (40.7 lb)
- Shipping weight 20.9 kg (46.0 lb)
- Shipping box 590x590x300 mm (23.2x23.2x11.8 in)
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View B & C website for more information for B & C 21SW152SEARCH results for other drivers with similar T-S Parameters to B&C 21SW152 - 21" 2000W 4 Ohm Loudspeaker
Our database has the following results for compatibility of this product with common speakers and components.
QSC SB-15121 SP-000193-00 | Woofer | Original
QSC SB-15121 SP-000193-00 | Woofer | Original
Our database of parts includes a wide range of products, and in many cases offers cost effective alternatives for repair. Alternatives are loosely grouped into three types:
Original - Usually an exact match to the original product, and just the 'standard' part from the factory which gets rebadged by manufacturer with their own brand and part number. Occasionally, there are subtle tweaks made from the standard part, but its virtually impossible for us to determine this. If we have listed the part as Original, it means we are confident the performance is the same.Aftermarket - Aftermarket parts often become available from factories in the far east once the original part is no longer manufactured. They are intended to be a close match, and provide a cost-effective alternative.
Equivalent - These are alternative options, which provide very similar performance, but are not the same as the original. In some cases the performance may actually be improved. We have used both our own experience, and feedback from customers in generating list of alternatives. Alternatives like this are useful when the original part is no longer made, there is no aftermarket option, so the only choice is to upgrade with the nearest current equivalent product.