Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 300 mmVoice Coil2.5 ", 65 mmOverall diameter315.2 mmPitch Circle Diameter298.5 mmCut- out Measurement283 mmMounting holes8Diameter of fixing holes6 mmDepth140.6 mmNominal Impedance4 Ohm(s)Nominal Load Capacity300 Wmaximum rated load600 WSensitivity (1 W / 1 m)99 dBFrequency response50 - 5000 HzVoice Coil MaterialAluminumMagnetNeodymiumDepth of the magnetic gap8 mmThiele & Small ParameterFs (Resonance Frequency)50 HzRe (DC resistance)3.3 Ohm(s)Qms (mechanical quality)19.4Le (inductance of the voice coil)0.46 mHQes (electrical quality)0.42Qts (overall quality)0.43Vas (equivalent volume)63.1Mms (moving mass)54.4 gBL (power factor)11.8 T/mXmax (maximum displacement)4.92 mmCms (elasticity of the suspension)0.18 mm/NSd (membrane area)489 cm2Rms (mechanical loss resistance)0.88 kg/sWeight2,5 kg
