Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 304.8 mmVoice Coil3 ", 76.2 mmOverall diameter314.5 mmPitch Circle Diameter293.8 mmCut- out Measurement281.1 mmDiameter of fixing holes6.5 mmDepth158 mmNominal Impedance8 Ohm(s)Nominal Load Capacity500 Wmaximum rated load1000 WSensitivity (1 W / 1 m)97.1 dBFrequency response57 - 2800 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap9.53 mmThiele & Small ParameterFs (Resonance Frequency)37 HzRe (DC resistance)5.46 Ohm(s)Qms (mechanical quality)6.93Le (inductance of the voice coil)1.22 mHQes (electrical quality)0.25Qts (overall quality)0.24Vas (equivalent volume)121Mms (moving mass)59 gBL (power factor)17.3 T/mXmax (maximum displacement)4.8 mmCms (elasticity of the suspension)0.32 mm/NSd (membrane area)519.5 cm2Weight7,924 kg
