Guangzhou Hengda Audio Equipment Co., Ltd.  

Product Name: High Quality 18 Inch Professional Speaker PRO Audio Loudspeaker Subwoofer Model NO.: HDW-1809 THD: <0.005% Monitor: None Application: Commercial, Stage Speaker Material: metal Speaker System: Passive Operation Mode: Wire / Remote Control Activity: Passive Hi-Fi: Not Hi-Fi Noise: <102dB Type: 18 Inch Subwoofer Magnet: Ferrite Voice Coil: 4 Inch Basket: Cast Aluminium Power: 1500 Watts Sensitivity: 98 dB Voice Coil Material: Copper Trademark: OEM and ODM Transport Package: by Export Carton or as Your Requirement Specification: 18 inch Speaker Origin: Guangzhou, China HS Code: 851829000 Product Description High Quality 18 Inch Professional Speaker Pro Audio Loudspeaker SubwooferGeneral SpecificationsNominal Diameter460/18mm/inchRated Impedance8ohmNominal Power handling750WattsProgram Power1500WattsSensitivity(lw/lm)98dBFrequency Range39.7-1.5KHzMinimum Impedance(Zmin)5.2ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialCopperNumber of layers2Magnet gap depth12mmSurround ShapeW-rollBasketCast AluminiumMagnet220 FerriteMounting InformationOverall Diameter460mmBolt Circle Diameter445mmBaffle Cutout Diameter422mmOverall Depth208mmNet Weight12.2kgShipping weight13.3kgShipping Box490*490*250mm Thiele-Small ParametersResonance frequencyFs39.7HzDC resistanceRe5.3ohmMechanical factorQms6.87Electrical factorQes0.44Total factorQts0.42Mechanical complianceCms0.09mm/NMechanical resistanceRms6.5mech-ohmof suspension lossesEffective Moving MassMms178.5grHalf-space efficiencyEff2.44%BL FactorBL23T.mEquivalent Cas air loadVas180.4litersVoice-coil inductanceLelK1.4mHINTRODUCTIonHengda Audio is a professinal speakermanufacturerwith experience in the PA speaker field for 10years. We make different tranducers,compression drivers. We not only provide goods but technology. OEM and ODM are both welcome.