Product typeLoudspeaker ChassisTypePANominal Diameter15 ", 381 mmVoice Coil4 ", 101.6 mmOverall diameter386.3 mmPitch Circle Diameter369.8 mmCut- out Measurement355.6 mmDiameter of fixing holes7 mmDepth163 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1250 Wmaximum rated load2500 WSensitivity (1 W / 1 m)95.5 dBFrequency response44 - 800 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap9.53 mmThiele & Small ParameterFs (Resonance Frequency)41 HzRe (DC resistance)4.97 Ohm(s)Qms (mechanical quality)8.8Le (inductance of the voice coil)1.78 mHQes (electrical quality)0.4Qts (overall quality)0.39Vas (equivalent volume)154.5Mms (moving mass)98 gBL (power factor)17.7 T/mXmax (maximum displacement)7.9 mmCms (elasticity of the suspension)0.15 mm/NSd (membrane area)856.3 cm2Weight11,582 kg
