High Power 12-in Woofer Treated Polycotton w/push terminals

Nominal Diameter 300 mm 12 in Overall Diameter 316 mm 12.44 in Bolt Circle Diameter 298.5 mm 11.75 in Baffle Cutout Diameter 284 mm 11.18 in Depth 155.75 mm 6.13 in Flange and Gasket Thickness 12.45 mm 0.49 in Net Weight 3.9 kg 8.6 lb Shipping Box: Single Carton Box 350 x 346 x 216 mm: 13.8 x 13.6 x 8.5 in; Shipping Weight 4.7 kg 10.4 lb Nominal Impedance 4 Ohm Minimum Impedance 4 Ohm AES Power Handling 1 500 W Maximum Power Handling 2 1000 W Sensitivity 1W/1m 97 dB Frequency Range 45hz-4000 Hz Voice Coil Diameter 77 mm 3 in Winding Material Al Former Material Glass Fiber Winding Depth 18 mm 0.71 in Magnetic Gap Depth 10.5 mm 0.41 in Flux Density 1.2 T Magnet Neodymium Slug Basket Material Aluminum Demodulation No Cone Surround 3 M-Roll NET Air Volume filled by Loudspeaker 2.3 dm-3 0.081 ft-3 Spider Profile 1x variable height waves THIELE AND SMALL PARAMETERS Fs 45 Hz Re 3.3 Ohm Qes 0.23 Qms 9.09 Qts 0.22 Vas 80.3 dm-3 2.83 ft-3 Sd 529 cm-2 82.00 in-2 Xmax 4 7.25 mm Xdamage 5 16 mm Mms 60.9 g Bl 15.5 N/A Le 0.63 mH Mmd 47.1 g Cms 0.21 mm/N Rms 1.9 kg/s Eta Zero 3.00 % EBP 196 Hz PART NUMBER P/N: 4 Ohm Version 03004044 NOTES: 1 2 Hours Test According to AES 2-1984 Rev. 2003 2 Maximum power is defined as 3dB greater than nominal power. 3 Treated Polycotton 4 Xmax= winding depth - magnetic gap depth/2 + magnetic gap depth/3 5 Maximum excursion before permanent damage