12-in High Power Unique Coaxial with Twin Neodymium Magnets Extended High Frequency Response 8-Ohms

12-in Woofer plus intergrated rear mounted high frequency driver pushing highs streight through the middle Nom. Diameter 300 mm 12 in Overall Diameter 316 mm 12.44 in Bolt Circle Diameter 298.5 mm 11.75 in Baffle Cutout Diameter 280 mm 11.02 in Depth 162 mm 6.38 in Flange and Gasket Thickness 12 mm 0.47 in Net Weight 4.2 kg 9.3 lb Shipping Box: Single Carton Box 350 x 346 x 216 mm; 13.8 x 13.6 x 8.5 in Shipping Weight 5 kg 11.0 lb TECHNICAL PARAMETERS { LF } { HF } Nom. Impedance 8 Ohm 8 Ohm Minimum Impedance 6.4 Ohm 6.8 Ohm AES Power Handling 1 250 W 30 W Max Power Handling 2 500 W 60 W Sensitivity 1W/1m 3 97 dB 107 dB Frequency Range 55hz-5000 Hz 1500hz-20000 Hz Voice Coil Diameter 65 mm 2.56 in 37 mm 1.46 in Winding Material Al Al Former Material Glass Fiber Kapton Winding Depth 17.4 mm 0.69 in 2.1 mm 0.08 in Magnetic Gap Depth 8 mm 0.31 in 2.6 mm 0.10 in Flux Density 1.25 T 1.85 T Min. Cross. Freq. 4 - 1.7 kHz Dispersion Angle - 100 Degrees Diaphragm Material - Ketone Polymer Diaphragm Shape - Annular Magnet Neodymium Ring Neodymium Ring Basket Material Aluminum - Demodulation Aluminum Ring - Cone Surround 5 Triple Roll - NET Air Volume filled by Loudspeaker 1.9 dm-3 0.067 ft-3 - Spider Profile 1x variable height waves - THIELE AND SMALL PARAMETERS { LF } Fs 56 Hz Re LF 5.3 Ohm Re HF 5.5 Ohm Qes 0.38 Qms 11.3 Qts 0.37 Vas 61.1 dm-3 2.16 ft-3 Sd 539 cm-2 83.55 in-2 Xmax 6 7.37 mm Xdamage 7 17.4 mm Mms 53.6 g Bl 16 N/A Le 0.45 mH Mmd 39.5 g Cms 0.15 mm/N Rms 1.7 kg/s Eta Zero 2.67 % EBP 147 Hz PART NUMBER P/N Push Terminals - 8 Ohm Version 03004319 NOTES: 1 2 Hours Test According to AES 2-1984 Rev. 2003 2 Maximum power is defined as 3dB greater than nominal power. 3 HF Sensitivity averaged within the frequency range 4 12 dB/oct or higher slope high-pass filter 5 Treated Polycotton 6 Xmax= winding depth - magnetic gap depth/2 + magnetic gap depth/3 7 Maximum excursion before permanent damage