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B&C 21SW152 21″ Professional Neodymium Subwoofer Speaker 2000W 8 Ohm Fashion
0 out of 5
$999.00 $509.49
- Description
- Size Guide
Description
Description
B&C 21SW152 21″ Professional Neodymium Subwoofer Speaker 2000W 8 Ohm
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:
- Lightweight but powerful FEA-optimized neodymium magnet
- Extremely high BL factor and Xmax for outstanding LF output
- 15 mm Xmax, 60 mm peak-to-peak excursion before damage
- 6.0″ split winding copper voice coil on fiberglass former
- Ventilated voice coil gap reduces power compression
- Aluminum demodulation ring on pole piece reduces distortion
- Double silicone spiderProduct Specifications
- Nominal Diameter 21″ Power Handling (RMS) 2,000 Watts
- Power Handling (max) 4000 Watts Impedance 8 ohms
- Frequency Response 30 to 1,000 Hz Sensitivity 96 dB 1W/1m
- Voice Coil Diameter 6″
Thiele-Small Parameters
Resonant Frequency (Fs) | 32 Hz |
DC Resistance (Re) | 3 ohms |
Voice Coil Inductance (Le) | 1.5 mH |
Mechanical Q (Qms) | 7 |
Electromagnetic Q (Qes) | 0.31 |
Total Q (Qts) | 0.3 |
Compliance Equivalent Volume (Vas) | 7 ft.³ |
BL Product (BL) | 32.5 Tm |
Diaphragm Mass Inc. Airload (Mms) | 460g |
Maximum Linear Excursion (Xmax) | 15 mm |
Surface Area of Cone (Sd) | 1680 cm² |
Materials of Construction
Cone Material | Coated Paper |
Surround Material | Cloth |
Voice Coil Wire Material | Copper |
Voice Coil Former | Fiberglass |
Basket / Frame Material | Cast Aluminum |
Magnet Material | Neodymium |
Mounting Information
Overall Outside Diameter | 21.5″ |
Baffle Cutout Diameter | 20″ |
Depth | 10.3″ |
Bolt Circle Diameter | 20.7″ |
# Mounting Holes | 8 |
Size Guide
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