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Tube Audio Guys (home)
Just need to verify my thinking. I have an amp with 4x 12au7, 4x kt88, pre has 6x 12ax7. Have some noise that doesnt change with the volume. I found that two of the 12au7s in the amp are very microphonic.
I assume thats the first set replace?
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1982 911 Targa, 3.0L ROW with Webers
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