I purchased a new BSM Hornby Skewes treble boost and it's wonderful through my AC15C1 but I get a pretty horrendous amount of hiss and racket through the hi input of my stock JCM800 2204. Will removing the bright cap at C5 be enough of a mod to get this amp to work better with a treble boost pedal or will I need to remove/mod the treble peaking circuit as well? I have to say that I have tried the bright cap removal before and was less than impressed with the sounds of the amp because it removed a good chunk of gain and smack and the amp just sounded sorta lame. I've read removing the peaking circuit and possibly replacing it with a 68k resistor actually adds a bit of gain back into the circuit? Any thoughts would be appreciated!!