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Need schematic and advice for fixing vintage AC30

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  • #31
    Originally posted by g1 View Post
    I'd be interested to know what the % dissipation was at the time the originals rolled off the assembly line. I'm guessing lower due to vintage line voltage, but I could be wrong.
    For my PD calculation I used original schematic voltages, so the results should correspond to design/factory specs.

    - Own Opinions Only -

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    • #32
      Ok my parts came in. Please verify something for me: I bought F&T 32/32uf cans but they have 2 positive posts and 1 negative, where the originals have 2 positive posts and what appears to be an unconnected post on the opposite side. My guess is the metal can itself supplies ground when clamped on but on the F&T cans I can just run a wire from the negative post to chassis ground like I see in Marshalls. Am I wrong?

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      • #33
        I took the can out and it says "can is negative" . Good guess.

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