B & C Speakers 12MH888 High Power 8 Ohm Woofer with High Temp Voice Coil and Front Side Water ProofingNominal Diameter 12-in, Nominal lmpedance 8 Ohms, Minimum Impedance 6.5 OhmsPower Handling Nominal1 400W, Continous Program 800 Watts, Sensitivity (1 W/1 m) 3 : 100.3 dBFrequency Range Fs to 4500 Hz, Voice Coil Diameter 76mm, Winding material CCAWFormer Material SV Kraft, Winding depth 16,0 mm, Magnetic Gap Depth 10.0 mmOverall Diameter 315.0 mm (12.40 in), Bolt Circle Diameter 296 mm (11.65 in), Baffle Cutout Diameter 282 mm (11.10 in), Depth 135 mm (5.31 in), Flange I Gasket Thickness 13 mm (0.49 in), Net Weight : 8.7 Kg (19.3 Ib)
