Specification Nominal Diameter 300 mm(12in) Nominal Impedance 8 ohm Nominal Power Handling (AES) 250 W Continuous Power Handling 500 W Sensitivity(1W/1m) 97 dB Frequency Range 45 -5000 Hz Voice Coil Diameter 75.5 mm(3in) Magnet Material Neodymium
Mounting&Shipping Overall Diameter 320mm(12.6 in) Bolt Circle Diameter 300mm (12in) Baffle Cutout Diameter 290 mm (11.4 in) Depth 130 mm (5.1 in) Flange and Gasket 13mm (0.5 in) Net Weight 3.8kg (8.4lb) Shipping Weight (1 units) 5.5 kg (12.1lb) Shipping Box (1 units) 350x350x180 mm