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AMPEG ET-1B Restoration

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  • #1

    AMPEG ET-1B Restoration

    Just completed a restoration of a 1968 Ampeg ET1-B
    Schematics around the web were unreadable resolution so did a circuit trace myself.

    For you possible interest.

    Cheers,
    Ian
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  • #2
    Nicely done and kind of you to post.
    "I took a photo of my ohm meter... It didn't help." Enzo 8/20/22

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    • #3
      Just reviewing the circuit - I obviously missed a DC blocking cap. I'm fairly sure it went between the junction of the 470K and 510K and the 6SL7 grid (pin4) on Sheet 1.

      Cheers,
      Ian

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