Product typeLoudspeaker ChassisNominal Diameter5 ", 127 mmVoice Coil1.5 ", 38 mmOverall diameter149.1 mmPitch Circle Diameter136.9 mmCut- out Measurement121.9 mmDiameter of fixing holes5 mmDepth73.9 mmNominal Impedance8 Ohm(s)Nominal Load Capacity125 Wmaximum rated load250 WSensitivity (1 W / 1 m)89.4 dBFrequency response87 - 3500 HzVoice Coil MaterialAluminumMagnetFerriteThiele & Small ParameterFs (Resonance Frequency)87 HzRe (DC resistance)5 Ohm(s)Qms (mechanical quality)11.81Le (inductance of the voice coil)0.29 mHQes (electrical quality)0.56Qts (overall quality)0.54Vas (equivalent volume)6.14Mms (moving mass)8 gBL (power factor)6.22 T/mXmax (maximum displacement)5.9 mmCms (elasticity of the suspension)0.42 mm/NSd (membrane area)102.6 cm2Weight1,41 kg