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RE: need 12ax7 help for primaluna


I have Prologue Six, mono powers.
I would suggest, forget the 12AX7 and try:

GE 5751 Triple Mica 5 Stars Black Plates
Sylvania 5751 Gold Brand Triple Mica GREY Plates Gold Pins(best/more expensive)

Together with:

RCA Clear Top (side getter) 12AU7 - easy to find/ unexpensive / nice sound!
Amperex 7316 - expensive / not so easy to find / "similar" to RCA but more refined sound
RFT 12AU7 - easy to find / unexpensive / "sharp" sound, even a bit britle, too much for some systems, just the sparkle you need in more muddy systems.



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