L15 / 85260-PRO Audio Equipment 400W Woofer 15 Pulgadas Altavoz Profesional

L15 / 85260-Pro audio equipment 400W Woofer 15 pulgadas Altavoz ProfesionalProduct Main Features:- 400Watts RMS power- 98dB Sensitivity 1w/1m- 35Hz-3.8k Hz frequency range- Cone paper is made in USA- FEA optimized magnet system design for low distortion and minimum power compression- Additional heat dissipation via unique basket with intercooler design- Ideal for high quality compact 2 or 3-way systemsIntroduction: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 Diameter380/15mm/inchRated Impedance8ohmNominal Power handling400WattsProgram Power800WattsSensitivity(lw/lm)98dBFrequency Range42-3.8kHzMinimum Impedance(Zmin)6.3ohmVoice Coil Diameter75/3mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth19mmNumber of layers2 Magnet gap depth10mmCone ShapeCurved Surround ShapeTriple-roll BasketCast Aluminum Flux Density1.1TMagnet Material/MassCeramic   Mounting InformationOverall Diameter397mmBolt Circle Diameter379.5mmBolt Hole Diameter6.5*4mmBaffle Cutout Diameter359mmOverall Depth171mmNet Weight8.1kgShipping weight9.8kgShipping Box420*420*200mm  Thiele-Small parametersResonance frequencyFs42HzDC resistanceRe5.6ohmMechanical factorQms5 Electrical factorQes0.31 Total factorQts0.29 Mechanical complianceCms0.18mm/NMechanical resistanceof suspension lossesRms3.9mech-ohmEffective Moving MassMms75.6grHalf-space efficiencyEff3.36%BL FactorBL18T.mEquivalent Cas air loadVas202litersEffective piston areaSd0.0876m2Max.linear excursionXmax7mmVoice-coil inductanceLelK1.25mH/* 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