Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil1.75 ", 44 mmOverall diameter309.12 mmPitch Circle Diameter298.45 mmCut- out Measurement282.7 mmDiameter of fixing holes6.5 mmDepth158.75 mmNominal Impedance8 Ohm(s)Nominal Load Capacity40 WSensitivity (1 W / 1 m)100 dBFrequency response80 - 5.200 HzVoice Coil MaterialcopperMagnetAlnicoDepth of the magnetic gap7.95 mmThiele & Small ParameterFs (Resonance Frequency)89 HzRe (DC resistance)7.4 Ohm(s)Qms (mechanical quality)19.73Le (inductance of the voice coil)0.61 mHQes (electrical quality)0.63Qts (overall quality)0.61Vas (equivalent volume)41.21Mms (moving mass)28 gBL (power factor)13.55 T/mXmax (maximum displacement)1.61 mmCms (elasticity of the suspension)0.11 mm/NSd (membrane area)519.5 cm2Weight3,81 kg
