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Sunn A212 Schematic

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  • Sunn A212 Schematic

    Friends new A212 combo is making some noises. Looking for the A212 schematic. Anybody have a copy they are willing to share?
    I found the output stage posted online and it looks like the friggin standby is hooked to the master volume....?? would like to get the full schematic before i start digging in.

  • #2
    They call that a standby but it's just a simple mute switch that grounds the wiper of the master volume.
    Here's a schematic:

    http://music-electronics-forum.com/a...nn_model_a.pdf
    Originally posted by Enzo
    I have a sign in my shop that says, "Never think up reasons not to check something."


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    • #3
      Some hack went in and removed a bunch of the clip connectors and soldered the wires directly to the pins and melted half the wires. few bad resistors and a whack of cold solders were found. One pin needed to be resoldered to the board. All sorted out. Thnx guys

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