12MH32-8 12-inch Woofer with 8 Ohms Impedance 400 Watts Rms 800 Watt Max Pro Audio Component Speaker Driver for Motorcycle Car

Nominal Outer Diameter - mm (in): 320 ( 12.0 ) * Continuous
Power Handing Capacity: 800 *
Nominal power handling: 400 Watts *
Frequency Response: 50 - 3000 Hz *
Sensitivity (1W/1m): 101.0 dB *
Nominal impedance: 8 Ohms *
Minimum impedance: 6.5 Ohms *
Winding Material: Copper *
Winding depth - mm (in): 14.0 ( 0.55 ) * Voice Coil Diameter - mm (in): 76 ( 3.0 ) *
Cone Shape: Radial *
Surround Shape: Double Roll *
Former Material: Glass Fibre * Magnetic gap depth - mm (in): 8.0 ( 0.31 ) * Flux
Density - T: 1.4 SPECIFICATIONS ||
Nominal Diameter: 320 mm ( 12.0 in) ||
Nominal Impedance: 8 ||
Minimum Impedance: 6.5 || Nominal Power Handling 1: 400 W || Continuous Power Handling 2: 800 W || Sensitivity (1W/1m) 3: 101. 0 dB ||
Frequency Range: 50 - 3000 Hz ||
Voice Coil Diameter: 76 mm ( 3.0 in) ||
Winding Material: Copper ||
Former Material: Glass Fibre ||
Winding Depth: 14.0 mm ( 0.55 in) ||
Magnetic Gap Depth: 8.0 mm ( 0.31 in) ||
Flux Density: 1.4 T DESIGN ||
Surround Shape: Double Roll ||
Cone Shape: Radial ||
Magnet Material: Ferrite ||
Spider: Single ||
Pole Design: T-Pole ||
Woofer Cone Treatment: None PARAMETERS ||
Resonance Frequency: 53 Hz ||
Re: 5.2 ||
Qes: 0.2 ||
Qms: 7.2 ||
Qts: 0.19 ||
Vas: 63.0 dm3 ( 2.2 ft3) ||
Sd: 522.0 cm2 ( 80.9 in2) ||: 4.8 % ||
Xmax: ± 5.0 mm ||
Xvar: ± 7.0 mm ||
Mms: 54.0 g ||
Bl: 22.3 Txm ||
Le: 0.83 mH ||
EBP: 265 Hz MOUNTING AND SHIPPING INFO ||
Overall Diameter: 316 mm ( 12.4 in) ||
Bolt Circle Diameter: 296 mm ( 11.6 in) ||
Baffle Cutout Diameter: 282.0 mm ( 11.1 in) ||
Depth: 133 mm ( 5.24 in) || Flange and
Gasket Thickness: 12 mm ( 0.47 in) || Air Volume Occupied by
Driver: 3.3 dm3 ( 0.12 ft3) ||
Net Weight: 7.6 kg ( 16.7 lb) ||
Shipping Units: 1 ||
Shipping Weight: 8.5 kg ( 18.74 lb) ||
Shipping Box: 360x360x200 mm ( 14.17 x 14.17 x 7.87 in)