Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil3 ", 77 mmOverall diameter318 mmPitch Circle Diameter300 mmCut- out Measurement283 mmMounting holes8Diameter of fixing holes7 x 8 mmDepth149 mmNominal Impedance8 Ohm(s)Nominal Load Capacity500 Wmaximum rated load1000 WSensitivity (1 W / 1 m)98 dBFrequency response45 - 2500 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap10 mmThiele & Small ParameterFs (Resonance Frequency)43.8 HzRe (DC resistance)5.7 Ohm(s)Qms (mechanical quality)4.8Le (inductance of the voice coil)1.33 mHQes (electrical quality)0.21Qts (overall quality)0.2Vas (equivalent volume)68.6Mms (moving mass)7.6 gBL (power factor)23.8 T/mXmax (maximum displacement)± 4.5 mmCms (elasticity of the suspension)0.17 mm/NSd (membrane area)531 cm2Weight8,15 kg
