Attributes

Key Value
# Mounting Holes8
Baffle Cutout Diameter20"
Basket / Frame MaterialCast Aluminum
BL Product (BL)24.87T?m
Bolt Circle Diameter20.7
BrandB&C Speakers
Compliance Equivalent V.9.7ft?
Cone MaterialCoated Paper
DC Resistance (Re)3.6?
Depth9.9"
Electromagnetic Q (Qes)0.37
Frequency Response33 to 1,000Hz
Impedance4?
Magnet MaterialNeodymium
Maximum Linear Excursio.14mm
Mechanical Q (Qms)7.7
Model21SW115-4
Nominal Diameter21"
Overall Outside Diameter21.5"
Part Number294-6011
Power Handling (MAX)3400 Watts
Power Handling (RMS)1700 Watts
Resonant Frequency (Fs)33Hz
Sealed F373.13Hz
Sealed Volume2.5ft?
Sensitivity97dB 2.83V/1m
Surround MaterialCloth
Total Q (Qts)0.36
Unit of MeasureEach
UPC848864009872
Vented F342.25Hz
Vented Volume6.7ft?
Voice Coil Diameter4.5"
Voice Coil FormerFiberglass
Voice Coil Inductance (.1.7mH
Voice Coil Wire MaterialCopper
Weight36.1
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