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What are the best tubes for a VTL TL 2.5 Preamp?

Will changing tubes really make a difference over the stock tubes? Which, by the way are made in China. My VTL uses 2 12AU7's and 2 12AX7"s. Will different tubes and brands make any difference in the sound? Thanks for any input.
mfb33
mrtennis
3,295 posts
 
before investing in expensive tubes, ask the manufacturer if the circuit is tube sensitive.

i have been told by at least 2 manufacturers that the brand of tube will have a very small impact upon the sound of a component.
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mrtennis
3,295 posts
 
i suggest that you consider ge 5814 black plate along with the other selections.
noble100's avatar
noble100
2,419 posts
 
Mfb33,

"By the way, which has more impact on the sound the 12AU7"s or 12AT7"s?"

I'm not sure which has more impact since I swapped both at the same time. My guess is that they both do since the signals flow into both sets (1 set for input and 1 for output).
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