Professional subwoofer speaker L12/8480

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1.professional subwoofer speaker with 4" flat CCAW voice coil,which is ideal high power compact 2 way systems 2. competitive price 3.excellent quality 4. other sizes are also available upon request 5.Details: General Specifications Nominal Diameter 300/12 mm/inch Rated Impedance 8 ohm Nominal Power handling1 400 Watts Program Power2 800 Watts Sensitivity(lw/lm)3 96 dB Frequency Range4 53-2.3k Hz Minimum Impedance(Zmin) 7.7 ohm Voice Coil Diameter 100/4 mm/inch Voice Coil Material Edgewound Copper Clad Aluminum Voice Coil Winding Depth 23 mm Number of layers 2(inside/outside) Magnet gap depth 12 mm Cone Shape Curved Surround Shape Triple-roll Basket Cast Aluminum Flux Density 1.1 T Magnet Material/Mass Ceramic/3.55 kg Thiele-Small parameters Resonance frequency Fs 53 Hz DC resistance Re 6.4 ohm Mechanical factor Qms 13.7 Electrical factor Qes 0.37 Totalfactor Qts 0.36 Mechanical compliance Cms 0.12 mm/N Mechanical resistance of suspension losses Rms 1.8 mech-ohm Effective Moving Mass Mms 75 gr Half-space efficiency Eff 2.04 % BL Factor BL 20.8 T.m Equivalent Cas air load Vas 52.6 liters Effective piston area Sd 0.056 m2 Max.linear excursion Xmax 8 mm Voice-coil inductance LelK 1.53 mH Mounting Information Overall Diameter 313 mm Bolt Circle Diameter 294 mm Bolt Hole Diameter 6.5 mm Baffle Cutout Diameter 285 mm Overall Depth 125 mm Net Weight 11.2 kg

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Guangzhou Hipower Audio CO.,LTD

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