Product typeLoudspeaker ChassisTypePANominal Diameter15 ", 381 mmVoice Coil3 ", 76.2 mmOverall diameter384.9 mmPitch Circle Diameter369.9 mmCut- out Measurement352.3 mmDiameter of fixing holes6.4 mmDepth156 mmNominal Impedance4 Ohm(s)Nominal Load Capacity450 Wmaximum rated load900 WSensitivity (1 W / 1 m)98.1 dBFrequency response63 - 2800 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap9.53 mmThiele & Small ParameterFs (Resonance Frequency)31 HzRe (DC resistance)3.68 Ohm(s)Qms (mechanical quality)10.14Le (inductance of the voice coil)0.88 mHQes (electrical quality)0.25Qts (overall quality)0.25Vas (equivalent volume)329.9Mms (moving mass)77 gBL (power factor)14.7 T/mXmax (maximum displacement)2.4 mmCms (elasticity of the suspension)0.35 mm/NSd (membrane area)856.3 cm2Weight8,197 kg
