Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 304.8 mmVoice Coil2 ", 50.8 mmOverall diameter305.5 mmPitch Circle Diameter294.3 mmCut- out Measurement278.1 mmDiameter of fixing holes6.4 mmDepth116 mmNominal Impedance8 Ohm(s)Nominal Load Capacity250 Wmaximum rated load500 WSensitivity (1 W / 1 m)98 dBFrequency response43 - 3800 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap7.92 mmThiele & Small ParameterFs (Resonance Frequency)47 HzRe (DC resistance)5 Ohm(s)Qms (mechanical quality)6Le (inductance of the voice coil)0.64 mHQes (electrical quality)0.5Qts (overall quality)0.46Vas (equivalent volume)120.1Mms (moving mass)40 gBL (power factor)10.8 T/mXmax (maximum displacement)4.4 mmCms (elasticity of the suspension)0.29 mm/NSd (membrane area)538.9 cm2Weight4,053 kg
