Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil3 ", 77 mmOverall diameter318 mmPitch Circle Diameter300 mmCut- out Measurement283 mmMounting holes8Diameter of fixing holes7 x 8 mmDepth145 mmNominal Impedance8 Ohm(s)Nominal Load Capacity400 Wmaximum rated load800 WSensitivity (1 W / 1 m)99 dBFrequency response60 - 2500 HzVoice Coil MaterialcopperMagnetNeodymiumDepth of the magnetic gap8 mmThiele & Small ParameterFs (Resonance Frequency)44.7 HzRe (DC resistance)5.7 Ohm(s)Qms (mechanical quality)4.25Le (inductance of the voice coil)1.08 mHQes (electrical quality)0.24Qts (overall quality)0.23Vas (equivalent volume)67.6Mms (moving mass)7.4 gBL (power factor)22.22 T/mXmax (maximum displacement)± 3.5 mmCms (elasticity of the suspension)0.17 mm/NSd (membrane area)531 cm2Weight3,45 kg
