TRF 8MR300ND CF

MODEL: TRF 8 MR300ND CFNominal diameter:8" (200mm)MAX Power Handling:500WRMS Power Handling:175WProgram RMS power:300WFrequency response:250Hz-6.5KHZNominal impedance:4ΩSensitivity:100.5dBmagnet: NeodymiumVoice coil diameter:1.75"Voice coil wire:CCAWEquivalent volume:Vas 0.619 LFree Air Resonance:Fs 431.6HzMechanical Factor:Qms 6.78Electrical Factor:Qes 1.59Total Factor:Qts  1.29Cone  Area:Sd 216.4cmMechanical Mass:Mms  14.5 gBI Factor:BI  8.9 TmDc Resistance:Re 3.2 OhmsOverall Diameter:8.22"(209mm)Front Mount Baffle Cutout:7.16"(182mm)Mounting Depth:2.71"(69mm)Overall Depth:3.01"(76.5mm)