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AC 30 Top Boost Reverb circuit

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  • AC 30 Top Boost Reverb circuit

    Hey guys, I'm planning a vintage Vox AC-30 (1960's style with top boost mod) build. I'm in the process of mapping the circuits and figuring out the layout and i got it in my head that it would be really cool to throw a spring reverb tank in here.

    Unfortunately I have no clue what I would need to do to go about this I looked at the schematics for the 90's ac-30 reverb model but I can't find a way to pull that into the original circuitry.

    I've done a few smaller builds but this one is a step up as is. I know I can do the amp without the reverb but I want to see if anyone can help me out before I give up. That being said I was planning on having the reverb in both channels but have a bypass switch and the normal reverb pot on the front panel so nothing special really.

    I'm at a standstill here so any help is appreciated if this is indeed a plausible mod. Thanks for reading and any help you can give!

  • #2
    AC-30 reverb

    You will have to read thru it VERY carefully but there are schematics and layouts for this (non-tremolo) here:

    http://www.el34world.com/Forum/index.php?topic=575.0

    You'll have to download ExpressSCH (free download) to open the files which are editable.

    CHECK for errors! I have not personally built this amp, but I have used this reverb circuit on numerous amps and I'm very pleased with the reverb.

    With respect, Tubenit
    Attached Files

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    • #3
      AC 30 Reverb

      Thanks alot! this looks somewhat usable, I'll see what I can do putting it in!

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