Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 46 mmVoice Coil4 ", 101.6 mmOverall diameter458 mmPitch Circle Diameter440 mmCut- out Measurement414 mmMounting holes8Diameter of fixing holes8.5 mmDepth233 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1200 Wmaximum rated load2400 WSensitivity (1 W / 1 m)95 dBFrequency response20 - 200 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap12 mmThiele & Small ParameterFs (Resonance Frequency)29 HzRe (DC resistance)5.5 Ohm(s)Qms (mechanical quality)7.25Le (inductance of the voice coil)1.1 mHQes (electrical quality)0.32Qts (overall quality)0.31Vas (equivalent volume)281Mms (moving mass)0.22 gBL (power factor)26.5 T/mXmax (maximum displacement)± 12 mmCms (elasticity of the suspension)0.13 mm/NSd (membrane area)0.12 cm2Weight14,5 kg
