L18 / 8635-Rcf Copiar Subwoofer Altavoz PRO Audio Parlante Profesionale

L18/8635-Professional  PA Speaker Subwoofer   Product 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 Specifications Nominal Diameter460/18mm/inch Rated Impedance8ohm Nominal Power handling1700Watts Program Power21400Watts Sensitivity(lw/lm)398dB Frequency Range439-1.0KHz Minimum Impedance(Zmin)7.0ohm Voice Coil Diameter100/4mm/inch Voice Coil MaterialCopper  Voice Coil Winding Depth23mm Number of layers2(Inside/Outside)  Magnet gap depth12mm     Surround ShapeTriple-roll  BasketCastAluminum  Flux Density1.1T Magnet Material/MassCeramic   Thiele-Small parameters Resonance frequencyFs39Hz DC resistanceRe5.4ohm Mechanical factorQms14.2  Electrical factorQes0.41  Total factorQts0.39  Mechanical complianceCms0.10mm/N Mechanical resistanceof suspension lossesRms2.8mech-ohm Effective Moving MassMms160gr Half-space efficiencyEff3.0% BL FactorBL22.9T.m Equivalent Cas air loadVas207liters Effective piston areaSd0.1213m2 Max.linear excursionXmax8mm Voice-coil inductanceLelK1.89mH  Mounting Information Overall Diameter466.5mm Bolt Circle Diameter442mm Bolt Hole Diameter6.5x5.5mm Baffle Cutout Diameter423mm Overall Depth202mm Net Weight12.8kg/* 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