Tubes used in the Groove Tubes Power Amp

[Brian27]

Does anyone have a clue as to what tubes Trey was using in the Groove Tubes GT-75 Power amp?

[cactuskeeb]

I can't remember...it's been a while since I attempted to take a closer look, so to speak, at the specifics of Trey's GT power amp.  I do remember, however, that the custom audio electronics (CAE) preamp was loaded with NOS tubes, of which the only brand Trey could remember to mention in an interview was RCA.  Apparently either the relatively new tech or one of Trey's amp gurus brought a large "collection" of NOS tubes with them on tour.