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12at7 in 5e4?

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  • 12at7 in 5e4?

    any problem in putting a 12at7 in the pi of a 5f4? will it have any effect on the gain?

  • #2
    Shouldn't be any problem. The lower gain of the PI Driver stage will give more headroom than a 12AX7 (won't clip the output grid as easily - if at all)
    Last edited by tubeswell; 06-19-2008, 08:05 AM.
    Building a better world (one tube amp at a time)

    "I have never had to invoke a formula to fight oscillation in a guitar amp."- Enzo

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