I play my Tele through an AC15, and it sounds fine clean, but many pedals I try make it sound horrible, and I don't know why. Everyone and his dog raves about the 808 Tubescreamer, but it sounds a bit harsh and nasty to me, nothing like the mild overdrive I hear in demo videos. Same with an OCD pedal. Sounds dull (especially around the bass) unless a Treble Booster pedal is used first, but that adds a ton of gain. The only drive pedal that seems to just sound good with minimal effort is the RAT. Am I doing something wrong?