Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 304.8 mmVoice Coil2.5 ", 63.5 mmOverall diameter314.5 mmPitch Circle Diameter295.1 mmCut- out Measurement280.9 mmDiameter of fixing holes7 mmDepth154 mmNominal Impedance8 Ohm(s)Nominal Load Capacity250 Wmaximum rated load500 WSensitivity (1 W / 1 m)99.9 dBFrequency response58 - 4300 HzVoice Coil MaterialAluminumMagnetNeodymiumDepth of the magnetic gap7 mmThiele & Small ParameterFs (Resonance Frequency)44 HzRe (DC resistance)5.17 Ohm(s)Qms (mechanical quality)4.17Le (inductance of the voice coil)0.43 mHQes (electrical quality)0.45Qts (overall quality)0.41Vas (equivalent volume)134.88Mms (moving mass)37 gBL (power factor)10.69 T/mXmax (maximum displacement)4.9 mmCms (elasticity of the suspension)0.36 mm/NSd (membrane area)519.5 cm2Weight2,635 kg
