China 15" Best PRO Audio 15 Subwoofer Speakers

15" Best Pro Audio 15 Subwoofer Speakers

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 Diameter380/15mm/inchRated Impedance8ohmNominal Power handling550WattsProgram Power1100WattsSensitivity(lw/lm)97dBFrequency Range40-1.5kHzMinimum Impedance(Zmin)7.0ohmVoice Coil Diameter100/4mm/inchVoice Coil MaterialCopper Voice Coil Winding Depth23mmNumber of layers2(inside/outside) Magnet gap depth12mmSurround ShapeTriple roll BasketAluminum Flux Density1.1TMagnet Material/MassCeramic

Mounting InformationOverall Diameter393mmBolt Circle Diameter374mmBolt Hole Diameter6.5*3mmBaffle Cutout Diameter355mmOverall Depth158mmNet Weight11.9kgShipping weight13.6kgShipping Box420*420*200mm

Thiele-Small parametersResonance frequencyFs40HzDC resistanceRe5.4ohmMechanical factorQms14.4 Electrical factorQes0.32 Total factorQts0.31 Mechanical complianceCms0.13mm/NMechanical resistance
of suspension lossesRms2.07mech-ohmEffective Moving MassMms118grHalf-space efficiencyEff3.0%BL FactorBL22.6T.mEquivalent Cas air loadVas152litersEffective piston areaSd0.0908m2Max.linear excursionXmax8mmVoice-coil inductanceLelK2.07mH