TypeLow/Mid-RangeNominal Diameter15 ", 381 mmVoice Coil3 ", 77 mmOverall diameter388 mmPitch Circle Diameter371 mmCut- out Measurement358 mmMounting holes8Diameter of fixing holes7 x 8 mmDepth178 mmNominal Impedance8 Ohm(s)Nominal Load Capacity500 Wmaximum rated load1000 WSensitivity (1 W / 1 m)98 dBFrequency response40 - 2500 HzVoice Coil MaterialcopperMagnetFerriteDepth of the magnetic gap10 mmThiele & Small ParameterFs (Resonance Frequency)41 HzRe (DC resistance)5.7 Ohm(s)Qms (mechanical quality)5Le (inductance of the voice coil)0.8 mHQes (electrical quality)0.29Qts (overall quality)0.28Vas (equivalent volume)154Mms (moving mass)10.9 gBL (power factor)23.3 T/mXmax (maximum displacement)± 4.5 mmCms (elasticity of the suspension)0.14 mm/NSd (membrane area)880 cm2Weight8,4 kg
