BEYMA PRO6WND

Specifications Nominal Basket Diameter 6.5" / 165mm Impedance 4 ohms AES Power Rating 150 Watts Program Power  300 Watts   Frequency Response 70Hz - 9.0KHz Sensitivity (1W/1m) 97dB Voice Coil Diameter 2" / 51.7mm Voice Coil Length 9mm Air Gap Height 7mm X Damage (peak to peak) 20mm Bl Factor (BL) 11 N/A Magnetic Assembly Weight 3.3 lb. / 1.5 kg. Mounting Information Overall Diameter 7.38" / 187.5mm Bolt Circle Diameter 6.77" / 172mm Baffle Cutout Diameter-   - Front Mount 5.74" / 146mm - Rear Mount 5.74" / 146mm No. Of Mounting Holes 4 Volume Displaced By Driver 0.02 ft3  /  .55 Liters Overall Depth 2.97" / 75.5mm Net Weight 3.74 lb. / 1.7 kg. Shipping Weight 5.06 lb. / 2.3 kg. Materials Basket Die Cast Aluminum Cone Paper Surround Treated Cloth Voice Coil Aluminum Former Fiberglass Metal Parts Anti-Corrosion Magnet Neodymium Thiele-Small Parameters Resonant Frequency