No am not familiar with that pedal. Isn't the mark iv a mesa that petrucci uses or used? I know you said it was a rack mount setup, i am just trying to figure out what you are using. The mark iv isn't a really high gain amp so... i feel your pain. I'm not a metal guy myself, but i like screaming gain like van halen or joe satriani.
Last edited by JsXLine6; 01-17-2020 at 10:44 PM.