Well, thanks to this thread, I went ahead and bought a bunch more tubes, mostly Shuguand and Psvane. Once they all arrive, here's what I'll have:
Psvane - EL84 Ti, EL34PH (Holland replica), 6CA7 Tii (grey glass), KT88 Tii (Grey Glass), CV181 Tii (Grey Glass)
Shuguang Black Treasure - 6CA7, KT66, KT88, CV181
Gold Lion - EL84, KT66, KT77, KT88
Electro Harmonix - EL34
New Production Mullard - EL34
Svetlana - EL34
Penta Labs - KT88-SC
Sovtek - KT88
New Production Tung Sol - KT150
Floridaboy, I don't know how the Pentas compare to the Treasures. I bought them recently for a song (like $100 for a set of 5), so they're in the box not even burned in yet.
I have so many tubes, burning them all in is going to be a major undertaking! Hmmm, I wonder.... you know, maybe I can hook up my backup tube amp which uses 3 6SN7s and 4 EL34s and just use it to burn in some stuff in parallel to what I'm doing with the Inspire MB12s. I have some big 8ohm resistors I could hook up to it's output, that just might work. At least speed up some of this.
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