(My answer reads like an attack on the other answers; I didn't mean it that way. Though I posted my answer before I saw yours, I am still sorry for how my answers reads. I was upset at the time about other things at the time I wrote.)
(I regret the wording of my answer, though. I didn't mean it as an attack on the other answers. It reads that way to me today. I need to be careful when I'm on the site and upset.)
The UREI 545 Parametric is my equalizer of choice. Just flip a switch on the front panel, adjust the knobs to make the audio sound as bad as you can and then flip that switch in the other direction: perfection.
Benedict Arnold 