Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil4 ", 102 mmOverall diameter314.5 mmPitch Circle Diameter296.9 mmCut- out Measurement281.2 mmDiameter of fixing holes6.9 mmDepth135.1 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1200 Wmaximum rated load2400 WSensitivity (1 W / 1 m)90.7 dBFrequency response37 - 200 HzVoice Coil MaterialcopperMagnetFerriteThiele & Small ParameterFs (Resonance Frequency)40 HzRe (DC resistance)6.2 Ohm(s)Qms (mechanical quality)12.13Qes (electrical quality)0.32Qts (overall quality)0.31Vas (equivalent volume)41.3Mms (moving mass)153 gBL (power factor)27.38 T/mXmax (maximum displacement)6.7 mmCms (elasticity of the suspension)0.1 mm/NSd (membrane area)545.4 cm2Weight10,6 kg
