Just ridiculous. Cranked the Mids and Sweep pots to get extreme upper mids and then set it to slightly above unity gain. Drop the volume on the guitar, kick the pedal on and the clean sound is crazy. My idea of "clean" is to have a bit of sizzle and grit on the top end and this thing nails it. I haven't had time to figure out if it works better pre or post compressor (Madbean 4:1) but it sounded superb post and in front of a VFE Dragon. That was pretty much my full rig this morning. And my 6505mh loved the setup.