Product typeLoudspeaker ChassisTypePANominal Diameter6.5 ", 165.1 mmVoice Coil2 ", 50.8 mmOverall diameter167.39 mmPitch Circle Diameter153.9 mmCut- out Measurement144.53 mmDiameter of fixing holes5.84 mmDepth67.56 mmNominal Impedance8 Ohm(s)Nominal Load Capacity175 WSensitivity (1 W / 1 m)94 dBFrequency response84 - 4000 HzVoice Coil MaterialAluminumMagnetFerriteDepth of the magnetic gap6.35 mmThiele & Small ParameterFs (Resonance Frequency)122.57 HzRe (DC resistance)5.18 Ohm(s)Qms (mechanical quality)3.46Le (inductance of the voice coil)0.43 mHQes (electrical quality)0.66Qts (overall quality)0.56Vas (equivalent volume)3.51Mms (moving mass)10.93 gBL (power factor)8.13 T/mXmax (maximum displacement)4.5 mmCms (elasticity of the suspension)0.15 mm/NSd (membrane area)129.9 cm2Weight2,86 kg