Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil3 ", 76.2 mmOverall diameter314.45 mmPitch Circle Diameter295.2 mmCut- out Measurement280.9 mmDiameter of fixing holes7.1 mmDepth152.4 mmNominal Impedance8 Ohm(s)Nominal Load Capacity450 Wmaximum rated load900 WSensitivity (1 W / 1 m)95.5 dBFrequency response46 - 2000 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap9.27 mmThiele & Small ParameterFs (Resonance Frequency)37.02 HzRe (DC resistance)5.6 Ohm(s)Qms (mechanical quality)6.94Le (inductance of the voice coil)0.98 mHQes (electrical quality)0.34Qts (overall quality)0.32Vas (equivalent volume)106.65Mms (moving mass)72.4 gBL (power factor)16.7 T/mXmax (maximum displacement)9.1 mmCms (elasticity of the suspension)0.26 mm/NSd (membrane area)545.4 cm2Weight3,814 kg
