Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil3 ", 76 mmOverall diameter314.5 mmPitch Circle Diameter295.2 mmCut- out Measurement280.9 mmDiameter of fixing holes7.1 mmDepth152.4 mmNominal Impedance4 Ohm(s)Nominal Load Capacity550 Wmaximum rated load1100 WSensitivity (1 W / 1 m)92.9 dBFrequency response41 - 2000 HzVoice Coil MaterialAluminumMagnetNeodymiumDepth of the magnetic gap9.27 mmThiele & Small ParameterFs (Resonance Frequency)36 HzRe (DC resistance)3.89 Ohm(s)Qms (mechanical quality)8.38Le (inductance of the voice coil)0.66 mHQes (electrical quality)0.32Qts (overall quality)0.31Vas (equivalent volume)107.37Mms (moving mass)72 gBL (power factor)14.27 T/mXmax (maximum displacement)9.1 mmCms (elasticity of the suspension)0.26 mm/NSd (membrane area)545.4 cm2Weight3,814 kg
