GENERAL SPECIFICATIONSNominal Diameter 15InchRated Impedance8ΩPower Handling Capacity600WattsSensitivity 1W 1M98.2dBEffective Piston Diameter330mmVoice Coil Diameter 75.5 mm3 InchTHIELE-SMALL PARAMENTERS Resonance FrequencyFs54HzDC ResisPneumatic Tools tanceRe5.8ΩMechanical Q FactorQms8.041Electrical Q FactorQes0.404Total Q FactorQts0.385 BL Factor BL20.053TMEffective Moving MassMms82.638grEquivalent Cas Air LoadVas109.150litersEffective Piston AreaSd0.086Half-Space Efficiency Eff4.112%Top Palte ThicknessHag10mmVoice Coil Height Hvc18mmVoice Coil Over-HungXmax7.0mmPHYSICAL INFORMATIONMagnet190x90x20 FerriteVoice Coil Winding MaterialCopper Clad AluminiumCone MaterialPulp PaperOverall Diameter390mmMounting Holes8 holes ∅ 370mmTotal Depth165mm