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5F6A circuit?

The AA864 is considered the ultimate blackface. Least amount of crazy circuitry and feedback. Bias control pot. The AA165 is next.>>

I got the impression the 5F6A was the best circuit, and the best for a new build? My impressions playing through different input tubes was that I preferred the sound of 12AX7s all through. I got the most sustain that way. Using lower mu tubes tended to decrease the sustain, which I found less attractive. I play a fretless.



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  • 5F6A circuit? - andy evans 11:13:01 08/09/16 (1)

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