Speaking of phono, line preamp and driver tubes, how close a match do we want ?
12AX7, 12AU7 etc. tubes. Both between or among tubes and within each tube.
I understand, 7% or so match is considered fine, but for some reason I want a closer match. Am I wrong ?
Ralph,
Is the balance between internal sections of the tube more important than balance between two tubes ?
I am not sure about VAC design but don't think Avatar's integrated circuit is balanced. Don't know about feedback.
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