Product typeLoudspeaker ChassisTypePANominal Diameter15 ", 380 mmVoice Coil3 ", 77 mmOverall diameter393 mmPitch Circle Diameter374 mmCut- out Measurement356 mmMounting holes8Diameter of fixing holes6 mmDepth182.3 mmNominal Impedance16 Ohm(s)Nominal Load Capacity500 Wmaximum rated load1000 WSensitivity (1 W / 1 m)97 dBFrequency response35 - 3150 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap10.5 mmThiele & Small ParameterFs (Resonance Frequency)35 HzRe (DC resistance)12.7 Ohm(s)Qms (mechanical quality)13.2Le (inductance of the voice coil)2 mHQes (electrical quality)0.47Qts (overall quality)0.45Vas (equivalent volume)198.8Mms (moving mass)95.4 gBL (power factor)23.8 T/mXmax (maximum displacement)9.25 mmCms (elasticity of the suspension)0.2 mm/NSd (membrane area)800 cm2Rms (mechanical loss resistance)1.6 kg/sWeight4,3 kg