B&C Speakers 12BG100-8 LF Drivers 12-Inch Neodymium 1000 Watts Rms 2000 Watts Max Copper Voice Coil 8 Ohm Pro Audio Component Speaker Driver for Motorcycle Car2000 W continuous program power capacity * 100 mm (4 in) copper voice coil * 40 - 1000 Hz response * 93 dB sensitivity * FEA optimized Neodymium magnet assembly * Aluminium demodulating ring for very low distortion * Double silicone spider with optimized compliance * Ventilated voice coil gap for reduced power compressionSPECIFICATIONS || Nominal Diameter :: 320 mm (12.0 in) || Nominal Impedance :: 8 Ω || Minimum Impedance :: 5.8 Ω || Nominal Power Handling 1 :: 1000 W || Continuous power handling 2 :: 2000 W || Sensitivity (1W/1m) 3 :: 93.0 dB || Frequency Range :: 40 - 1000 Hz || Voice Coil Diameter :: 100 mm (4.0 in) || Winding Material :: Copper || Former Material :: Glass Fibre || Winding Depth :: 27.0 mm (1.05 in) || Magnetic Gap Depth :: 11.0 mm (0.43 in) || Flux Density :: 1.15 TDESIGN || Surround Shape :: Roll || Cone Shape :: Radial || Magnet Material :: Neodymium Inside Slug || Spider :: Double Silicone || Pole Design :: T-Pole || Woofer Cone Treatment :: TWP Waterproof Both Sides || Recommended Enclosure :: 40.0 dm3 (1.41 ft3) || Recommended Tuning :: 40 HzMOUNTING AND SHIPPING INFO || Overall Diameter :: 319 mm (12.5 in) || Bolt Circle Diameter :: 299 mm (11.8 in) || Baffle Cutout Diameter :: 281.0 mm (11.1 in) || Depth :: 137 mm (5.4 in) || Flange and Gasket Thickness :: 13 mm (0.5 in) || Air Volume Occupied by Driver :: 2.7 dm3 (0.09 ft3) || Net Weight :: 8.2 kg (18.0 lb) || Shipping Units :: 1 || Shipping Weight :: 9.1 kg (20.06 lb)PARAMETERS || Resonance Frequency :: 39 Hz || Re :: 5.1 Ω || Qes :: 0.35 || Qms :: 6.8 || Qts :: 0.33 || Vas :: 41.0 dm3 (1.45 ft3) || Sd :: 522.0 cm2 (80.9 in2) || η₀ :: 0.7 % || Xmax :: ± 10.5 mm || Xvar :: ± 14.0 mm || Mms :: 152.0 g || Bl :: 23.0 Txm || Le :: 1.6 mH || EBP :: 111 Hz
