Street Address: Hao wei garden ,No 20 Song shan road ,Chao tiao industrial zone ,Shi lou town,Panyu district ,Guangzhou city ,China .
City: guangzhou
Province: Guangdong
Country/Region: China
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audio speakers ( W157515)
Nominal Diameter380/15mm/inch Rated impedance8ohm Power handing capacity400watts Sensitivity97dB Frequency RangeFs-2500Hz Voice Coil Diameter75/3mm/inch Voice Coil Material Copper CladAluminium Number of layer2 Kind of layerinside/outside Resonance frequencyFs41Hz Dc resistanceRe5.6ohmMechanical factorQms9.7 Electrical factorQes0.43 Total factorQts0.41 BL factorBL18T.MEffective Moving massMms97gEffective Cas air loadVas181litersEffective piston areaSd0.09m^2 Overall Diameter393/15.5mm/inch Bolt Circle Diameter372/14.7mm/inch Bolt Hole Diameter8-7X10/8-0.28X0.3mm/inch Mount Baffle Cut-out355/14.0mm/inch Depth175/6.9mm/inch Net Weight8.5kg Shipping Weight9.5kg Package Size430X410X210mm
audio speakers 3-inch, outside/outside Copper Clad Aluminium voice coil 800W continuous program power handling 97dB SPL