Description
B&C 21iPAL IS AN EXTREME HIGH POWER 21" WOOFER THAT HANDLES 2,500 WATTS AES STANDARD & 5,000 WATTS PROGRAM
FEATURES A LARGE 6" VOICE COIL, SUPER HIGH 22.0MM XMAX, HIGH SPL OF 99DB & LIGHTWEIGHT NEODYMIUM MAGNET
VERY STRONG TIGHT CHEST POUNDING INTENSE DEEP BASS SOUND
ALUMINUM DEMODULATION RING HELPS KEEP A FLAT CONTROLLED RESPONSE & VERY LOW DISTORTION
VENTILATED VOICE COIL GAP FOR LOWER POWER COMPRESSION
THE B&C 21iPAL 21" WOOFER IS OPTIMIZED FOR EXTREMELY HIGH OUTPUT SUBWOOFER SYSTEMS IN CONCERT, SOUND REINFORCEMENT, THEATER, ETC.
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 SPECIFICATIONS 
 
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 Nominal Basket Diameter 
 
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 21" / 530mm 
 
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 Impedance 
 
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 1 ohm 
 
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 RMS Power Rating 
 
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 2,500 Watts 
 
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 Program Power 
 
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 5,000 Watts 
 
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 Frequency Response 
 
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 37Hz - 1.0kHz 
 
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 Sensitivity (1W/1m) 
 
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 99dB 
 
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 Voice Coil Diameter 
 
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 6" / 152.4mm 
 
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 Winding Depth 
 
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 1.9" / 48mm 
 
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 Magnetic Gap Depth 
 
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 .7" / 18mm 
 
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 Flux Density 
 
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 1.35T 
 
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 RECOMMENDED CABINET SPECIFICATIONS 
 
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 Cabinet Volume 
 
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 6.8 cu. ft. / 192.6 Liters 
 
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 Inside Cabinet Dimensions 
 
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 22" wide x 26" height x 20.5" deep 
 
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 Port Size 
 
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 22" wide x 2.5" height x 13.875" deep 
 
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 Tuning Frequency 
 
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 37Hz 
 
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 MOUNTING INFORMATION 
 
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 Overall Diameter 
 
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 21.5" / 547mm 
 
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 Bolt Circle Diameter 
 
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 20.7" / 527mm 
 
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 Baffle Cutout Diameter 
 
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 20" / 508mm 
 
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 Depth 
 
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 10.59" / 269mm 
 
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 Flange & Gasket Thickness 
 
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 .51" / 13mm 
 
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 No. Of Mounting Holes 
 
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 8 
 
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 Net Weight 
 
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 48.5 lbs./ 22 kg. 
 
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 Shipping Weight 
 
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 54 lbs./ 24.5 kg. 
 
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 MATERIALS 
 
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 Basket 
 
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 Cast Aluminum 
 
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 Cone 
 
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 Paper 
 
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 Cone Treatment 
 
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 Waterproof Front & Back 
 
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 Cone Shape 
 
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 Radial 
 
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 Spider 
 
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 Double Silicone 
 
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 Surround Shape 
 
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 Triple Roll 
 
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 Former 
 
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 Glass Fiber 
 
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 Pole Design 
 
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 T-Pole 
 
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 Winding Depth 
 
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 Aluminum 
 
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 Magnet 
 
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 Neodymium 
 
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 THIELE-SMALL PARAMETERS 
 
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 Resonant Frequency (fs) 
 
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 37 Hz 
 
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 Impedance (Re) 
 
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Payment & Security
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