Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 457.2 mmVoice Coil4 ", 101.6 mmOverall diameter458 mmPitch Circle Diameter440 mmCut- out Measurement414 mmMounting holes8Diameter of fixing holes8.5 mmDepth218 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1200 Wmaximum rated load2400 WSensitivity (1 W / 1 m)96 dBFrequency response20 - 200 HzVoice Coil MaterialcopperMagnetFerriteDepth 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)0.82 mHQes (electrical quality)0.34Qts (overall quality)0.33Vas (equivalent volume)247Mms (moving mass)19.5 gBL (power factor)24.26 T/mXmax (maximum displacement)± 7.5 mmCms (elasticity of the suspension)0.12 mm/NSd (membrane area)1213 cm2Weight12,85 kg
