could be that the OUTPUT is set to Mod Stereo, it should be Master Stereo
- manual, Output section, page 70
I use my PROFILER with a bunch of different guitars with Clean and Distortion Sense set to '0'
"If you feel that clean sounds are either very loud or very soft compared to distorted sounds, you can adjust Clean Sens to a level where clean sounds have the same perceived loudness as distorted sounds." manual, Front Panel Controls, page 23