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Identify Ampeg PT Leads?

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  • Identify Ampeg PT Leads?

    I bought a new PT110V power transformer for my 60s Ampeg Reverberocket. However, none of the new leads colors' match up to either of the GS-12R schematics I have (or the original, for that matter). I've got the AC figured out, but am left with five:

    * 2 green (6.3V filaments?)
    * A green/yellow (?)
    * 2 red (B+ I assume?)

    Can anyone help me identify those? Thanks!!

    David

  • #2
    Originally posted by obscure44 View Post
    * 2 green (6.3V filaments?)
    * A green/yellow (?)
    * 2 red (B+ I assume?)

    Can anyone help me identify those?
    The 2 greens should be the 6.3 volt filaments and the green yellow the center tap. You could check this with an ohmmeter.

    Yes the 2 red should be the high voltage secondary.

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    • #3
      Thanks! From the two schematics I have, it doesn't appear a center is used. Just insulate it and tuck it out of the way?

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