18SW115-4 B AND C 18" Professional Neodymium Subwoofer 4 Ohm NEW

BRAND NEW18SW115-4 B AND C 18" Professional Neodymium Subwoofer 4 Ohm The B&C 18SW115-4 is an advanced, lightweight subwoofer driver featuring 1,700 watts RMS power handling, a 1.33" 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 18SW115-4's pole piece reduces distortion.Lightweight but powerful FEA-optimized neodymium magnetExtremely high BL factor and Xmax for outstanding LF output14 mm Xmax, 60 mm peak-to-peak excursion before damage4.5" split winding copper voice coil on fiberglass formerVentilated voice coil gap reduces power compressionAluminum demodulation ring on pole piece reduces distortionDouble silicone spiderNominal Diameter 18"Power Handling (RMS) 1,700 WattsPower Handling (max) 3,400 WattsImpedance 4 ohmsFrequency Response 35 to 1,500 Hz Sensitivity 97 dB 1W/1mVoice Coil Diameter 4.5"Resonant Frequency (Fs) 32 HzDC Resistance (Re) 5 ohmsVoice Coil Inductance (Le) 1.9 mHMechanical Q (Qms) 5.6Electromagnetic Q (Qes) 0.32Total Q (Qts) 0.3Compliance Equivalent Volume (Vas) 6.5 ft.³BL Product (BL) 30.3 TmDiaphragm Mass Inc. Airload (Mms) 275gMaximum Linear Excursion (Xmax) 14 mmSurface Area of Cone (Sd) 1210 cm²Cone Material Coated PaperSurround Material ClothVoice Coil Wire Material Copper Voice Coil Former FiberglassBasket / Frame Material Cast AluminumMagnet Material NeodymiumOverall Outside Diameter 18"Baffle Cutout Diameter 16.6"Depth 9.5"Bolt Circle Diameter 17.44"# Mounting Holes 8FREE SHIPPING