China L12 84236-220mm Magnet Compact 12 Subwoofer for Professional Stage PA Systems

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 handling400WattsProgram Power800WattsSensitivity(lw/lm)94.6dBFrequency Range45-1.5kHzMinimum Impedance(Zmin)7ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth23.5mmNumber of layers2 (inside/outside)Magnet gap depth10mmSurround ShapeM-roll BasketCast Aluminum Flux Density1.0TMagnet Material/MassCeramic

Mounting InformationOverall Diameter312mmBolt Circle Diameter295mmBolt Hole Diameter6.5mmBaffle Cutout Diameter278mmOverall Depth142mmNet Weight4.3kg

Thiele-Small parametersResonance frequencyFs45HzDC resistanceRe5.4ohmMechanical factorQms10.3 Electrical factorQes0.27 Total factorQts0.27 Mechanical complianceCms0.13mm/NMechanical resistance
of suspension lossesRms2.55mech-ohmEffective Moving MassMms91.6grHalf-space efficiencyEff1.8%BL FactorBL22.8T.mEquivalent Cas air loadVas53.4litersEffective piston areaSd0.0535m2Max.linear excursionXmax6.5mmVoice-coil inductanceLelK1.1mH