Home / 12NW100ND Specifications TYPE Mid-bass Nominal Diameter 315 mm/12 in Rated impedance 8 ohm Nominal (AES) 1000 W Continuous Program 2000 W Sensitivity(1w/1m) 99.7 dB Frequency Range 54Hz-2200Hz Voice Coil Diameter 100 mm/4 in Voice Coil Material Copper out/in Mounting lnformation Overall Diameter φ315 mm/φ12.4 in Bolt Circle Diameter φ297 mm/φ11.7 in Mount Baffle Cut-out φ285 mm/φ11.2 in Depth 148 mm/5.8 in Bolt Hole Diameter 8-φ7mm/8-φ0.28 in Thiele Small Parameters Fs 54 Hz Re 5.0 ohm Qms 4,96 Qes 0,31 Qts 0,29 Vas 37 L Sd 0.055 m2 Mms 95 g BL 23.4 T.M Shipping lnformation Net Weight ( 1 unit) 6.2 kg Shipping Weight ( 1 unit) 7.5 kg Package Size ( 1 unit) 34x34x18cm