Product typeLoudspeaker ChassisTypeGuitarsNominal 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 Capacity50 WSensitivity (1 W / 1 m)102 dBFrequency response70 - 5000 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap7.92 mmThiele & Small ParameterFs (Resonance Frequency)96 HzRe (DC resistance)6.56 Ohm(s)Qms (mechanical quality)9.28Le (inductance of the voice coil)0.44 mHQes (electrical quality)0.69Qts (overall quality)0.64Vas (equivalent volume)50Mms (moving mass)24 gBL (power factor)11.8 T/mXmax (maximum displacement)0.8 mmCms (elasticity of the suspension)0.11 mm/NSd (membrane area)558.6 cm2Weight4,073 kg