Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 457.2 mmVoice Coil4 ", 101.6 mmOverall diameter458 mmPitch Circle Diameter440 mmCut- out Measurement414 mmMounting holes8Diameter of fixing holes8.5 mmDepth228 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1100 Wmaximum rated load2200 WSensitivity (1 W / 1 m)96 dBFrequency response20 - 200 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap10 mmThiele & Small ParameterFs (Resonance Frequency)32.9 HzRe (DC resistance)5 Ohm(s)Qms (mechanical quality)6.8Le (inductance of the voice coil)0.79 mHQes (electrical quality)0.37Qts (overall quality)0.35Vas (equivalent volume)247Mms (moving mass)19.5 gBL (power factor)23.3 T/mXmax (maximum displacement)± 8 mmCms (elasticity of the suspension)0.12 mm/NSd (membrane area)1212 cm2Weight7,7 kg
