B&C Speakers 12NBX100-8 LF Driver 12-inch NEO Midbass 8 Ohms Impedance 8 Ohms Impedance 1000 Watts Rms 2000 Watt Max Pro Audio Component Speaker Driver for Motorcycle Car

"HIGHLIGHTS 2000 W continuous program power capacity | 100 mm (4 in) copper voice coil | 40 - 1500 Hz response | 96 dB sensitivity | Aluminium demodulating ring allows a very low distortion figure | Double silicone spider with optimized compliance | Ventilated voice coil gap for reduced power compression | "

"SPECIFICATIONS Nominal Diameter : 320 mm (12.0 in) | Nominal Impedance : 8 ? | Minimum Impedance : 6.5 ? | Nominal Power Handling1 : 1000 W | Continuous power handling2 : 2000 W | Sensitivity (1W/1m)3 : 96.0 dB | Frequency Range : 40 - 1500 Hz | Voice Coil Diameter : 100 mm (4.0 in) | Winding Material : Copper | Former Material : Glass Fibre | Winding Depth : 25.0 mm (1.0 in) | Magnetic Gap Depth : 11.0 mm (0.43 in) | Flux Density : 1.1 T | "

"DESIGN : | Surround Shape : Triple Roll | Cone Shape : Exponential | 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 : 50 Hz | "

"PARAMETERS Resonance Frequency : 41 Hz | Re : 5.1 ? | Qes : 0.24 | Qms : 3.9 | Qts : 0.22 | Vas : 51.0 dm3 (1.8 ft3) | Sd : 531.0 cm2 (82.0 in2) | ?? : 1.45 % | Xmax : ± 10.0 mm | Xvar : ± 10.0 mm | Mms : 117.0 g | Bl : 25.6 Txm | Le : 1.9 mH | EBP : 170 Hz | "

"MOUNTING AND SHIPPING INFO || Overall Diameter : 320 mm (12.6 in) | Bolt Circle Diameter : 300 mm (11.8 in) | Baffle Cutout Diameter : 280.0 mm (11.0 in) | Depth : 143 mm (5.63 in) | Flange and Gasket Thickness : 12 mm (0.47 in) | Air Volume Occupied by Driver : 4.0 dm3 (0.14 ft3) | Net Weight : 8.0 kg (17.6 lb) | Shipping Units : 1 | Shipping Weight : 8.9 kg (19.62 lb) | Shipping Box : 360x360x200 mm (14.17x14.17x7.87 in) | "