12" Professional loudspeaker: woofer L12/8481

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1.profesional loudspeaker 2. woofer which is ideal for compact 2 or 3-way systems 3. Hight BL for dynamic voicing 4. at better price 5.of good quality and delivery 6. other sizes are available upon requests 7.Details: General Specifications Nominal Diameter 300/12 mm/inch Rated Impedance 8 ohm Nominal Power handling1 350 Watts Program Power2 700 Watts Sensitivity(lw/lm)3 96 dB Frequency Range4 47-2.7k Hz Minimum Impedance(Zmin) 6.4 ohm Voice Coil Diameter 75/3 mm/inch Voice Coil Material Copper Voice Coil Winding Depth 19 mm Number of layers 2 Magnet gap depth 10 mm Cone Shape Straight Surround Shape M-roll Basket Cast Aluminum Flux Density 1.0 T Magnet Material/Mass Ceramic/2.0 kg Thiele-Small parameters Resonance frequency Fs 47 Hz DC resistance Re 5.2 ohm Mechanical factor Qms 11.3 Electrical factor Qes 0.28 Total factor Qts 0.28 Mechanical compliance Cms 0.16 mm/N Mechanical resistance of suspension losses Rms 1.8 mech-ohm Effective Moving Mass Mms 69 gr Half-space efficiency Eff 2.5 % BL Factor BL 19.5 T.m Equivalent Cas air load Vas 68 liters Effective piston area Sd 0.0547 m2 Max.linear excursion Xmax 7 mm Voice-coil inductance LelK 1.5 mH Mounting Information Overall Diameter 319.5 mm Bolt Circle Diameter 294.5 mm Bolt Hole Diameter 6.5 mm Baffle Cutout Diameter 280 mm Overall Depth 127.5 mm Net Weight 6.6 kg

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Guangzhou Hipower Audio CO.,LTD

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