Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 460 mmVoice Coil3 ", 77 mmOverall diameter460 mmPitch Circle Diameter440 mmCut- out Measurement424 mmMounting holes8Diameter of fixing holes6 mmDepth202 mmNominal Impedance8 Ohm(s)Nominal Load Capacity600 Wmaximum rated load1200 WSensitivity (1 W / 1 m)99 dBFrequency response30 - 3150 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap10.5 mmThiele & Small ParameterFs (Resonance Frequency)30 HzRe (DC resistance)5.1 Ohm(s)Qms (mechanical quality)12.5Le (inductance of the voice coil)1.35 mHQes (electrical quality)0.36Qts (overall quality)0.35Vas (equivalent volume)374.8Mms (moving mass)137 gBL (power factor)19 T/mXmax (maximum displacement)9.25 mmCms (elasticity of the suspension)0.21 mm/NSd (membrane area)1134 cm2Rms (mechanical loss resistance)2.06 kg/sWeight4,6 kg
