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B&C 21SW115 - 4 ohm - Woofer

Details
Additional Information

21" high efficiency Neodymium subwoofer.

SPECIFICATIONS
Nominal Diameter: 21", 533mm
Nominal Impedance: 4 ohms
Nominal Power: 1700 W rms, 3400 W program
Freq. Response: 35 Hz-1.0 kHz
Sensitivity: 97 db 1w/1m
Voice Coil Diameter: 4.5", 114mm

MOUNTING INFORMATION
Overall Diameter: 21.54", 547mm
Baffle Hole Dia: 20.0", 508mm
Number of Mounting Holes: 8
Mounting BCD: 20.74", 527mm
Depth: 9.84", 250mm

T/S PARAMETERS
Fs: 35.0 Hz
Re: 3.6 ohms
Le: 1.7mH
Qms: 10.2
Qes: 0.43
Qts: 0.40
Vas: 223 L, 7.88 cuft
Xmax: 14mm

CONSTRUCTION
-Cast basket
-Neodymium magnet with vented voice coil

B&C 21SW115 - 4 ohm - Woofer

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