China High Definition 12 Inch PA Professional Speaker Woofer for PRO Audio System

High Definition 12 inch PA Professional speaker woofer For Pro Audio system
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 handling300WattsProgram Power600WattsSensitivity(lw/lm)95.5dBFrequency Range39-2.5kHzMinimum Impedance(Zmin)6.3ohmVoice Coil Diameter64/2.5mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth16mmNumber of layers2(inside/outside)Magnet gap depth8mmSurround ShapeM-roll BasketCast Aluminum Flux Density1.1TMagnet Material/MassCeramic

Thiele-Small parametersResonance frequencyFs39HzDC resistanceRe5.3ohmMechanical factorQms9.7 Electrical factorQes0.33 Total factorQts0.32 Mechanical complianceCms0.3mm/NMechanical resistance
of suspension lossesRms1.43mech-ohmEffective Moving MassMms57grHalf-space efficiencyEff2.11%BL FactorBL14.8T.mEquivalent Cas air loadVas125.7litersEffective piston areaSd0.0552m2Max.linear excursionXmax6mmVoice-coil inductanceLelK1.1mH

Mounting InformationOverall Diameter318mmBolt Circle Diameter301mmBolt Hole Diameter6.5x9mmBaffle Cutout Diameter287mmOverall Depth135mmNet Weight5.2kg