speaker 12inch rcf 12x400

RCF 12X400i Specifications Nominal diameter 305mm / 12inci Power rating 600watt-1200watt Nominal impedance 8 ohms Sensitivity 95dB Frequency range 45-4000HZ Chassis type Cast aluminum Magnets type Ferrite Magnets size 190x90x20mm Magnet weight 2.2kg / 77.7oz Voice coil diameter 75.5mm / 3in Coil material CCA W Number of layers 2 (Outside) Former material Kapton Cone Material Paper Surround material Cloth ASHLEY Spider Single X-max 4 mm / 0.16in Gap depth of 10 mm / 0.39in Voice coil winding width 17.5 mm / 0.69in Net Weight: 7.0 kg/ pcs Gross Weight: 5.4 / pcs Packing Size: 32.2 * 32.2 * 15cm / pcs