China L12 84215-12 "Alto-Falante De Audio PRO Woofer De 350W

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 capability:
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 Diameter300/12mm/inchRated Impedance8ohmNominal Power handling350WattsProgram Power700WattsSensitivity(lw/lm)97dBFrequency Range42-2.7kHzMinimum Impedance(Zmin)6.7ohmVoice Coil Diameter75/3mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth17mmNumber of layers2(inside/outside)Magnet gap depth10mmSurround ShapeM-roll BasketCast Aluminum Flux Density1.0TMagnet Material/MassCeramic

Thiele-Small parametersResonance frequencyFs42HzDC resistanceRe5.4ohmMechanical factorQms13.3 Electrical factorQes0.25 Total factorQts0.24 Mechanical complianceCms0.24mm/NMechanical resistance
of suspension lossesRms1.17mech-ohmEffective Moving MassMms58.6grHalf-space efficiencyEff2.94%BL FactorBL18.5T.mEquivalent Cas air loadVas99.8litersEffective piston areaSd0.0543m2Max.linear excursionXmax6mmVoice-coil inductanceLelK1.1mH

Mounting InformationOverall Diameter318mmBolt Circle Diameter301mmBolt Hole Diameter6.5x9mmBaffle Cutout Diameter287mmOverall Depth142mmNet Weight7kg