Product typeLoudspeaker ChassisNominal Diameter12 ", 304.8 mmVoice Coil1.75 ", 44.5 mmOverall diameter305.3 mmPitch Circle Diameter295.4 mmCut- out Measurement278.6 mmDiameter of fixing holes6.4 mmDepth130 mmNominal Impedance8 Ohm(s)Nominal Load Capacity120 WSensitivity (1 W / 1 m)101 dBFrequency response70 - 4500 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap7.92 mmThiele & Small ParameterFs (Resonance Frequency)110 HzRe (DC resistance)6.42 Ohm(s)Qms (mechanical quality)7.19Le (inductance of the voice coil)0.43 mHQes (electrical quality)0.89Qts (overall quality)0.79Vas (equivalent volume)30.8Mms (moving mass)30 gBL (power factor)12.3 T/mXmax (maximum displacement)0.8 mmCms (elasticity of the suspension)0.07 mm/NSd (membrane area)558.6 cm2Weight4,073 kg
