Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 300 mmVoice Coil3 ", 77 mmOverall diameter316 mmPitch Circle Diameter298.5 mmCut- out Measurement282 mmMounting holes8Diameter of fixing holes7.4 mmDepth145.1 mmNominal Impedance8 Ohm(s)Nominal Load Capacity500 Wmaximum rated load1000 WSensitivity (1 W / 1 m)93 dBFrequency response45 - 2,500 HzVoice Coil MaterialcopperMagnetFerriteThiele & Small ParameterFs (Resonance Frequency)42 HzRe (DC resistance)5.1 Ohm(s)Weight8,1 kg