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B&C 21SW152 21" Professional Neodymium Subwoofer 8 Ohm

B&C Speakers
Part #294-6020

B&C 21SW152 21" Professional Neodymium Subwoofer 8 Ohm

B&C Speakers
Part #294-6020  
Model: 21SW152
B&C's 21SW152 21" pro subwoofer speaker boasts an oversized 6.0" voice coil, neodymium motor, 2,000 watts RMS power handling capacity, and 15 mm Xmax (60 mm peak-to-peak excursion before damage).
Key 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 spider
Your Price: $907.26
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MSRP: $1,512.11
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Overview

B&C 21SW152 21" Professional Neodymium Subwoofer 8 Ohm

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.

Product Details

BrandB&C Speakers
Model21SW152
Part Number294-6020
UPC848864009889
Unit of MeasureEach
Weight46.65

Product Specifications

Nominal Diameter21"
Bolt Circle Diameter20.7
Power Handling (RMS)2000 Watts
Power Handling (MAX)4000 Watts
Impedance
Frequency Response30 to 1,000Hz
Sensitivity96dB 2.83V/1m
Voice Coil Diameter6"

Thiele-Small Parameters

Resonant Frequency (Fs)32Hz
DC Resistance (Re)
Voice Coil Inductance (Le)1.5mH
Mechanical Q (Qms)7
Electromagnetic Q (Qes)0.31
Total Q (Qts)0.3
Compliance Equivalent Volume (Vas)7ft³
BL Product (BL)32.5T·m
Diaphragm Mass Inc. Airload (Mms)460g
Maximum Linear Excursion (Xmax)15mm
Surface Area of Cone (Sd)1680cm²

Materials of Construction

Cone MaterialCoated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter21.5"
Baffle Cutout Diameter20"
Depth10.3"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume3.13ft³
Sealed F390.9Hz
Vented Volume7ft³
Vented F334.6Hz

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