I used one extensively with a VHT 2/90/2. Rig was built by Bradshaw in 07. Channel 3 is one of the best high gain channels in the amp world. Clean is right on the mark too. There are two places it fell short for me personally. Channel 2 was not useful to me. It was very tubby and and loose to my ears, maybe one could say warm, more so as I brought the gain up. I prefer a crisp mid-rangy plexi type of crunch. Also, Channel 3 had a similar issue, with the gain pushed passed a certain level, like around 1 o'clock, the low end was not articulate enough for me. I play a lot of palm muted heavy stuff so that was a deal breaker. The growl is amazing though, and yields some smoking lead tones, and is nice because it's actually a unique sound, not Marshall, not SLO. It is sensitive to the power amp you use it with. I tried different power amps to see if that was the issue, but it wasn't. The tone did change with the different power. If I could afford to, I'd probably keep one on the stable for recording purposes. That ch. 3 is in my top ten amp tones. Sounds like a chainsaw through V30's.