L18 / 8671--650W Altavoz Componente De Parlante Bajo 18 Pulgadas Profesionale PRO Audio Subwoofer

L18 / 8671--650W Altavoz Componente De Parlante Bajo 18 Pulgadas  Profesionale Pro Audio SubwooferProduct main features:- 650Watts RMS power, 97.5dB - Extended low frequency response down to 32 Hz - 100mm/4inch high temperature copper voice coil with polyimide fiberglass former - High flexible M-roll cloth surround with deep corrugation for extended Xmax - Reinforced Conex spider to improve linearity control - Dual-forced air ventilation and 16mm back plate for minimum power compression - Double treated cone for water protection - Yearly sales: 3000 PCS Introduction: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 Diameter460/18mm/inchRated Impedance8ohmNominal Power handling650WattsProgram Power1300WattsSensitivity(lw/lm)97dBFrequency Range3-2.2kHzMinimum Impedance(Zmin)5.8ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth23mmNumber of layers2 Magnet gap depth12mmCone ShapeCurved Surround ShapeM-roll BasketCast Aluminum Flux Density1.1TMagnet Material/MassCeramic     Thiele-Small parametersResonance frequencyFs38HzDC resistanceRe5.0ohmMechanical factorQms9.7 Electrical factorQes0.45 Total factorQts0.43 Mechanical complianceCms0.08mm/NMechanical resistanceof suspension lossesRms4.95mech-ohmEffective Moving MassMms480grHalf-space efficiencyEff2.7%BL FactorBL23T.mEquivalent Cas air loadVas190litersEffective piston areaSd0.1257m2Max.linear excursionXmax8mmVoice-coil inductanceLelK1.96mH  Mounting InformationOverall Diameter461mmBolt Circle Diameter439mmBolt Hole Diameter6.5*9.5mmBaffle Cutout Diameter424mmOverall Depth200mmNet Weight12.1kgShipping weight14.6kgShipping Box500*500*240mm/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1