Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 460 mmVoice Coil3 ", 77 mmOverall diameter460 mmPitch Circle Diameter440 mmCut- out Measurement424 mmMounting holes8Diameter of fixing holes6 mmDepth201.5 mmNominal Impedance8 Ohm(s)Nominal Load Capacity600 Wmaximum rated load1200 WSensitivity (1 W / 1 m)98 dBFrequency response30 - 2500 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap10.5 mmThiele & Small ParameterFs (Resonance Frequency)30 HzRe (DC resistance)5.1 Ohm(s)Qms (mechanical quality)13.6Le (inductance of the voice coil)1.25 mHQes (electrical quality)0.3Qts (overall quality)0.3Vas (equivalent volume)369.4Mms (moving mass)139 gBL (power factor)21 T/mXmax (maximum displacement)9.35 mmCms (elasticity of the suspension)0.22 mm/NSd (membrane area)1134 cm2Rms (mechanical loss resistance)0.82 kg/sWeight8,8 kg
