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Specifications 1. 180 W continuous program power capacity 2. 89dB Sensitivity 1w/1m 3. 50Hz ~4000Hz frequency response range 4. 2" voice coil with fiberglass former5. High flexible foam edge6. Idea for mid-bass application SPECIFICATIONS General SpecificationsNominal Diameter170/6.5mm/inchRated Impedance8ohmNominal Power handling190WattsProgram Power2180WattsSensitivity(lw/lm)389dBFrequency Range453~4000HzMinimum Impedance(Zmin)6.5ohmVoice Coil Diameter50/2mm/inchVoice Coil MaterialCopper Former MaterialFiberglass Voice Coil Winding Depth16mmNumber of layers2 Magnet gap depth8mmBasketPressed steel Flux Density1.0TMagnet Weight29 oz Thiele-Small parametersResonance frequencyFs53HzDC resistanceRe5.3ohmMechanical factorQms8.33 Electrical factorQes0.36 Total factorQts0.35 Mechanical complianceCms0.44mm/NMechanical resistanceof suspension lossesRms0.83mech-ohmEffective Moving MassMms21grHalf-space efficiencyEff0.44%BL FactorBL10.1T.mEquivalent Cas air loadVas11.4litersEffective piston areaSd0.00137m2Max.linear excursion5Xmax6.5mmVoice coilinductanceLe1K1.09mHEfficiency Bandwidth ProductEBP147 Mounting InformationOverall Diameter187mmBolt Circle Diameter174mmBolt Hole Diameter4.5mmBaffle Cutout Diameter144mmOverall Depth87mmNet Weight2.5kgShipping Weight2.9kgShipping Box170x170x100mm Frequency response curves Impedance and phase curves Computer predicted low frequency response
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