B&C 21SW152 21" Professional Neodymium Subwoofer Speaker 2000W 8-Ohm
Overview
The B&C 21SW152 is an advanced, lightweight subwoofer driver featuring 2,000 watts RMS power handling, a 1.18" long/6.0" diameter copper voice coil with very high thermal capability, and a ventilated neodymium magnet assembly that provides low power compression. An aluminum demodulation ring fitted to the 21SW152's pole piece reduces distortion.
Features:
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Lightweight but powerful FEA-optimized neodymium magnet
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Extremely high BL factor and Xmax for outstanding LF output
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15 mm Xmax, 60 mm peak-to-peak excursion before damage
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6.0" split winding copper voice coil on fiberglass former
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Ventilated voice coil gap reduces power compression
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Aluminum demodulation ring on pole piece reduces distortion
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Double silicone spiderProduct Specifications
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Nominal Diameter 21" Power Handling (RMS) 2,000 Watts
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Power Handling (max) 4000 Watts Impedance 8 ohms
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Frequency Response 30 to 1,000 Hz Sensitivity 96 dB 1W/1m
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Voice Coil Diameter 6"
Thiele-Small Parameters
| Resonant Frequency (Fs) |
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| DC Resistance (Re) |
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| Voice Coil Inductance (Le) |
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| Mechanical Q (Qms) |
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| Electromagnetic Q (Qes) |
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| Total Q (Qts) |
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| Compliance Equivalent Volume (Vas) |
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| BL Product (BL) |
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| Diaphragm Mass Inc. Airload (Mms) |
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| Maximum Linear Excursion (Xmax) |
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| Surface Area of Cone (Sd) |
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Materials of Construction
| Cone Material |
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| Surround Material |
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| Voice Coil Wire Material |
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| Voice Coil Former |
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| Basket / Frame Material |
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| Magnet Material |
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Mounting Information
| Overall Outside Diameter |
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| Baffle Cutout Diameter |
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| Depth |
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| Bolt Circle Diameter |
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| # Mounting Holes |
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