Product typeLoudspeaker ChassisTypePANominal Diameter18 ", 457 mmVoice Coil4 ", 101 mmOverall diameter458 mmPitch Circle Diameter440 mmCut- out Measurement414 mmMounting holes8Diameter of fixing holes8.5 mmDepth218 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1200 WSensitivity (1 W / 1 m)96 dBFrequency response20 - 200 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap10 mmThiele & Small ParameterFs (Resonance Frequency)31 HzRe (DC resistance)4.8 Ohm(s)Qms (mechanical quality)6Qes (electrical quality)0.36Qts (overall quality)034Vas (equivalent volume)262Mms (moving mass)210 gBL (power factor)23.5 T/mXmax (maximum displacement)8 mmCms (elasticity of the suspension)0.125 mm/NSd (membrane area)1213 cm2Weight12,85 kg
