Two tubes to try, Telefunken 12AU7, and Amperex 7316 (7316 is another version of 12AU7). Both of these are wonderful tubes and will provide top performance. I do not know about the tubes selected by VTL, but they could be as good(?). Try the ones I suggest against them and have some spares. It takes trying new tubes out to find what you like in your own system.
What's the best 12AU7 for CJ PV10A?
I am currently using a pair of the same tubes that VTL installs new in their preamps (That's all that my dealer had in stock on a Sunday). I don't remember what they are called. They sound as awesome as the RCA red label tubes that I replaced (I think), but, my system was down for quite some time before I heard the new tubes. Any info? Am I using the right stuff? Anyone had a bad experience with these types of tubes? Also, thanks to everyone for your great responses in the past... Brad
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