Professional loudspeaker:subwoofer L18/6620

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1. professional loudspeaker 2. terrific subwoofer of compass bass relex 3. at better price 4. of excellent quality 6. Details: General Specifications Nominal Diameter 460/18 mm/inch Rated Impedance 6 ohm Nominal Power handling1 650 Watts Program Power2 1300 Watts Sensitivity(lw/lm)3 97.5 dB Frequency Range4 32-2.2K Hz Minimum Impedance(Zmin) 5.8 ohm Voice Coil Diameter 100/4 mm/inch Voice Coil Material Copper Voice Coil Winding Depth 23 mm Number of layers 2 Magnet gap depth 12 mm Cone Shape Curved Surround Shape M-roll Basket CastAluminum Flux Density 1.0 T Magnet Material/Mass Ceramic/3.65 kg Thiele-Small parameters Resonance frequency Fs 32 Hz DC resistance Re 5.0 ohm Mechanical factor Qms 13.4 Electrical factor Qes 0.35 Total factor Qts 0.34 Mechanical compliance Cms 0.14 mm/N Mechanical resistance of suspension losses Rms 2.63 mech-ohm Effective Moving Mass Mms 174 gr Half-space efficiency Eff 2.7 % BL Factor BL 22.4 T.m Equivalent Cas air load Vas 292 liters Effective piston area Sd 0.1225 m2 Max.linear excursion Xmax 8 mm Voice-coil inductance LelK 1.96 mH Mounting Information Overall Diameter 461 mm Bolt Circle Diameter 439 mm Bolt Hole Diameter 6.5 mm Baffle Cutout Diameter 424 mm Overall Depth 200 mm Net Weight 12.1 kg

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Guangzhou Hipower Audio CO.,LTD

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