21SW115-8 B AND C 21-in Low Distortion 3400 Watt Woofer 8 Ohms NEW

BRAND NEW 21SW115-8 B AND C 21-in Low Distortion 3400 Watt Woofer 8 Ohms The B&C 21SW115 is an advanced, lightweight subwoofer driver featuring 1,500 watts RMS power handling, a 1.34" long/4.5" 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 21SW115's pole piece reduces distortion. B&C's 21SW115 21" pro subwoofer speaker boasts an oversized 4.5" voice coil, neodymium motor, 1,700 watts RMS power handling capacity, and 14 mm Xmax (60 mm peak-to-peak excursion before damage) Lightweight but powerful FEA-optimized neodymium magnet Extremely high BL factor and Xmax for outstanding LF output 14 mm Xmax, 60 mm peak-to-peak excursion before damage 4.5" 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 Nominal Diameter 21" Power Handling (RMS) 1,700 Watts Power Handling (max) 3400 Watts Impedance 8 ohms Frequency Response 33 to 1,000 Hz Sensitivity 97 dB 1W/1m Voice Coil Diameter 4.5" Resonant Frequency (Fs) 33 Hz DC Resistance (Re) 3 ohms Voice Coil Inductance (Le) 1.7 mH Mechanical Q (Qms) 7.7 Electromagnetic Q (Qes) 0.37 Total Q (Qts) 0.36 Compliance Equivalent Volume (Vas) 9.7 ft.³ BL Product (BL) 24.8 Tm Diaphragm Mass Inc. Air load (Mms) 335g Maximum Linear Excursion (Xmax) 14 mm Surface Area of Cone (Sd) 1680 cm² Cone Material Coated Paper Surround Material Cloth Voice Coil Wire Material Copper Voice Coil Former Fiberglass Basket / Frame Material Cast Aluminum Magnet Material Neodymium Overall Outside Diameter 21.5" Baffle Cutout Diameter 20" Depth 9.9" Bolt Circle Diameter 20.7" # Mounting Holes 8 FREE SHIPPING