China L18 6620- 18 Pulgadas PRO Speaker Altavoz Ruidoso Audio Subwoofer Parlente Hot Sale

L18 / 6620- 18 pulgadas Pro Speaker Altavoz ruidoso Audio Subwoofer Parlente hot sale
Product main features:
- Impact subwoofer
- 4"voice coil, 220mm magnet
- 650Watt, 97.5dB
- Yearly sales: 3000 PCS
-Terrific PRO audio subwoofer of compass bass relex
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.
Details:

Nominal Diameter460/18mm/inchRated Impedance6ohmNominal Power handling650WattsProgram Power1300WattsSensitivity(lw/lm)97.5dBFrequency Range32-2.2KHzMinimum Impedance(Zmin)5.8ohmVoice Coil Diameter100/4mm/inchVoice Coil Materialcopper Voice Coil Winding Depth23mmNumber of layers2 Magnet gap depth12mmCone ShapeCurved Surround ShapeM-roll BasketCast Aluminum Flux Density1.0TMagnet Material/MassCeramic/3.65kgMounting InformationOverall Diameter461mmBolt Circle Diameter439mmBolt Hole Diameter6.5mmBaffle Cutout Diameter424mmOverall Depth200mmNet Weight12.1kg

Thiele-Small parametersResonance frequencyFs32HzDC resistanceRe5.0ohmMechanical factorQms13.4 Electrical factorQes0.35 Total factorQts0.34 Mechanical complianceCms0.14mm/NMechanical resistance
of suspension lossesRms2.63mech-ohmEffective Moving MassMms174grHalf-space efficiencyEff2.7%BL FactorBL22.4T.mEquivalent Cas air loadVas292litersEffective piston areaSd0.1225m2Max.linear excursionXmax8mmVoice-coil inductanceLelK1.96mH