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12-in Woofer 1700 Maximum Watts 850 RMS Watts 8 Ohm Impedance
SKU: 12MB1K78
Availability: 30 in stock
Manufacturer: 7 DRIVER

The MB 1K7 model has been specially developed to reproduce medium-low, both for automotive line and for professional line, in line array systems, monitors, theaters, cinemas, churches, bars, among other environments.
Experience a new sound experience, where frequencies are dynamically articulated, providing fidelity and efficiency.

* 12-in Diameter High Power Woofer.
* Ideal for automotive and professional use, in line array systems, monitors, theaters, churches, clubs.
* Maximum musical power: 1,700 Maximum Watts.
* 8 Ohms Impedance.
* Frequency response: 50 to 4,500 hz.
* Ressonance frequency: 68,740 hz.
* Q mechanical (qms): 11,331.
* Volume equivalent (vas): 31,013 l.
* Compliance (cms): 83,735u m / n.
* Mass diaphragm (mmd): 57.384 g.
* Total mass (mms): 64.020 g.
* Excursion of cone without distortion (x max) -/+6,5 mm.
* Effective area of cone (sd): 0,051 sq.m.
* Q electric (qes): 0.480.
* Resistance: 2.80 hrs / vdc.
* Product bl: 18,273tm.
* RMS Power Capacity: 850 Watts.
* Q total (qts): 0.461.
* No (efficiency reference): 2,028%.
* Sensitivity (@ 1w, 1 m) -free-air: 95.089 db.
* Flow density in gap: 12.660 gauss.
* Nominal diameter: 12 inches.
* Ferrite material: barium.
* Ferrite dimensions: 220 x 25 mm.
* Coil diameter: 4 inches.
* Coil height: 17 mm.
* Coil wire material: aluminum.
* Section of the coil wire: round.
* Gap height: 8 mm.
* Housing material: aluminum