Originally tried using my Denafrips Thallo amp plugged into my Panamax M5300 and was initially happy (because I had no comparison). Followed a thread here that recommended a dedicated circuit.....had 2 20AMP dedicated lines installed with new Furutech outlets, and upgraded the power cords. I honestly diidn't think I'd hear much of a difference, but I have audiophile disease so why not.
Blew my face of with the difference, easily one of largest improvements my system has made. Not subtle, overt