HIGHLIGHT 1000 W continuous program power capacity 76 mm 3 in copper voice coil 49 800 Hz response 91 5 dB sensitivity Neodymium magnet allows a very light yet powerful motor assembly Aluminium demodulating ring for very low distortion Double silicone spider with optimized compliance SPECIFICATIONS Nominal Diameter 250 mm 10 0 in Nominal Impedance 8 Minimum Impedance 6 8 Nominal Power Handling 500 W Continuous power handling 1000 W Sensitivity 1W 1m 91 5 dB Frequency Range 49 800 Hz Voice Coil Diameter 76 mm 3 0 in SPECIFICATIONS Voice Coil Diameter 76 mm 3 0 in Winding Material Copper Former Material Glass Fibre Winding Depth 25 0 mm 1 0 in Magnetic Gap Depth 11 5 mm 0 45 in Flux Density 1 22 T DESIGN Surround Shape Roll Cone Shape Curvilinear Magnet Material Neodymium Ring Spider Double Silicone Pole Design T Pole Woofer Cone Treatment TWP Waterproof Both Sides MOUNTING INFORMATION Overall Diameter 261 mm 10 28 in Bolt Circle Diameter 246 mm 9 69 in Baffle Cutout Diameter 233 0 mm 9 17 in Depth 131 mm 5 16 in Flange and Gasket Thickness 14 mm 0 55 in Air Volume Occupied by Driver 1 5 dm3 0 05 ft3 Net Weight 4 8 kg 10 58 lb B C Speakers has been one of largest and most prestigious professional loudspeaker transducer manufacturers in the world In addition to designing and distributing components under the B C brand name they also supply OEM components to many of the top professional audio brands in the market today