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12-in Woofer 1140 Maximum Watts 570 RMS Watts 4 Ohm Impedance
SKU: 12ML570S4
Availability: 30 in stock
Manufacturer: 7 DRIVER

Innovative design with air cooled vented and screened magnet structure.
Features lower dynamic compression which means less reduction or compression of an audio signal's dynamic range

* 12-in Diameter High Power Woofer.
* Ideal for automotive and home use, monitors, theaters, churches, clubs.
* Maximum musical power: 1,140 Maximum Watts.
* 4 Ohms Impedance.
* Frequency response: 50 to 3600hz.
* Resonance frequency: 78.6hz.
* Q mechanical (qms): 8,008.
* Equivalent volume (vas): 29.390 l.
* Compliance (cms): 79,354u m / n.
* Mass diaphragm (mmd) 45.044 g.
* Total mass (mms): 51.681 g.
* Cone tour without distortion (x max): +/- 7 mm.
* Cone effective area (sd): 0.0510 sq.m.
* Resistance (re): 3.0 ohms / vdc.
* Product bl: 10,338 tm.
* RMS Power Capacity: 570w.
* Q total (qts): 0.658.
* No (efficiency reference): 1,926%.
* Sensitivity (@ 1w, 1 m) -free-air: 94,864db (spl).
* Flow density in the gap: 10.200 gauss.
* Nominal diameter: 12 inches.
* Ferrite material: barium.
* Ferrite diameter: 169 x 24 mm.
* Coil diameter: 3 inches.
* Coil height: 18mm.
* Coil wire material: ccaw.
* Coil wire section: round.
* Coil body material: * Dupont Kapton polyimide film.
* Gap height: 7mm.
* Housing material: steel