I had been using the CIA D-100s before the D-200s. I was using a Sonic Euphoria PLC before the ModWright.
Over the years, I have used the following tube amps ... not a complete listing, but what I could readily recall:
Dynaco ST-70
Berning EA-230
Berning EA-2100
Marantz 8B
Audio Research D-70
Audio Research D-79
EAR 509 monos
Jadis Defy 7
Wolcott Presence Mono-blocs
Joule Electra Marquis
Wavelength Cardinals
Berning microZOTL
Wright WPA3.5
Fi 300B
Fi X integrated
Korneff Type 45 mono
Korneff 45/76 integrated
Trimax monos
Transcendent OTLs
Solid State included:
Audionics CC-2
Adcom GFA-555 and 535
Levinson ML-1
Bryston 4b
Threshold
B&K 140
Amber 7
Classe DR-9
Muse 150
Pass Aleph 3
Naim 140 and 250
McCormick DNA-1
Bel Canto Evo2
Sim I-5 RAM Modded
As noted, there were more ... and yes, it was a sickness.