Guangzhou Hipower Audio Co., Ltd.  

Product Name: M08/B283-Componente De Parlante Professional MID Bass PRO Audio Woofer Model NO.: M08/B283 THD: <0.005% Monitor: None Certification: ISO Application: Stage Speaker Material: Ferrite Speaker System: Passive Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <102dB Trademark: Hipower Transport Package: Export Carton Specification: 8 inch Origin: China HS Code: 85182900 Product Description M08/B283-Componente De Parlante Prefesionale Mid Bass Pro Audio WooferProduct Main Features:-300Watts RMS power- 93dB Sensitivity 1w/1m- 61Hz-5.8k Hz frequency range- 50mm/2inch copper clad aluminum voice coil with fiberglass former-Ideal for midrange applicationIntroduction:We are a PA speaker factory of more than 13 years in Panyu,Guangzhou,China,occupying 2000 square meters with 3 production lines.We make Pro audio speakers from small sizes upto 24 inch.R& D Capacity:In the R&D, Hipower's experienced engineers and technicians carry out researches on new materials.state-of-art components and advacned product designs with the help of an anechoic chamber,test instruments and simulation sofwares.Markets:Ever since 2003, we have been exporting to many countries, including southeast Asia, Europe, North Ameria and South America.Speaker's Details:General SpecificationsNominal Diameter200/8mm/inchRated Impedance16ohmNominal Power handling150WattsProgram Power300WattsSensitivity(lw/lm)93dBFrequency Range61-5.8KHzMinimum Impedance(Zmin)14.7ohmVoice Coil Diameter50/2mm/inchVoice Coil MaterialCopper Clad AluminumVoice Coil Winding Depth13.5mmNumber of layers2Magnet gap depth8mmCone ShapeCurvedSurround ShapeM-rollBasketCast AluminumFlux Density1.0TMagnet Material/MassCeramic/1.23kg]Mounting InformationOverall Diameter205.5*234.5mmBolt Circle Diameter217mmBolt Hole Diameter5mmBaffle Cutout Diameter184.5mmOverall Depth95.5mmNet Weight3.5kgThiele-Small parametersResonance frequencyFs61HzDC resistanceRe13ohmMechanical factorQms6.3Electrical factorQes0.49Total factorQts0.45Mechanical complianceCms0.43mm/NMechanical resistanceof suspension lossesRms0.96mech-ohmEffective Moving MassMms15.9grHalf-space efficiencyEff1.3%BL FactorBL12.7T.mEquivalent Cas air loadVas29litersEffective piston areaSd0.0222m2Max.linear excursionXmax5mmVoice-coil inductanceLelK0.9mH