Product typeLoudspeaker ChassisTypePANominal Diameter8 ", 203 mmVoice Coil2.5 ", 63.5 mmOverall diameter203.71 mmPitch Circle Diameter218 mmCut- out Measurement186.94 mmDiameter of fixing holes7.11 mmDepth99.06 mmNominal Impedance8 Ohm(s)Nominal Load Capacity225 Wmaximum rated load450 WSensitivity (1 W / 1 m)95.5 dBFrequency response82 - 3200 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap6.99 mmThiele & Small ParameterFs (Resonance Frequency)81 HzRe (DC resistance)5.6 Ohm(s)Qms (mechanical quality)4.66Le (inductance of the voice coil)0.62 mHQes (electrical quality)0.4Qts (overall quality)0.37Vas (equivalent volume)10.95Mms (moving mass)24 gBL (power factor)13 T/mXmax (maximum displacement)4.5 mmCms (elasticity of the suspension)0.16 mm/NSd (membrane area)222.4 cm2Weight2,4 kg