Eminence Delta Pro 12-450-4 C - 12" Speaker 450 W 4 Ohm

Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 305 mmVoice Coil2.5 ", 64 mmOverall diameter314.5 mmPitch Circle Diameter293.9 mmCut- out Measurement281.2 mmMounting holes8Diameter of fixing holes6.9 mmDepth139.7 mmNominal Impedance4 Ohm(s)Nominal Load Capacity450 Wmaximum rated load900 WSensitivity (1 W / 1 m)97.4 dBFrequency response45 - 3800 HzVoice Coil MaterialAluminumMagnetFerriteThiele & Small ParameterFs (Resonance Frequency)45 HzRe (DC resistance)3.65 Ohm(s)Qms (mechanical quality)7.97Le (inductance of the voice coil)0.45 mHQes (electrical quality)0.41Qts (overall quality)0.39Vas (equivalent volume)137.73Mms (moving mass)36 gBL (power factor)9.51 T/mXmax (maximum displacement)5.2 mmCms (elasticity of the suspension)0.35 mm/NSd (membrane area)532.4 cm2Weight5,793 kg