• fmstrat
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    edit-2
    3 months ago

    Tube amp maybe? An odd one though if so.

    • XIIIesq
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      3
      edit-2
      3 months ago

      Definitely not a tube amp. A tube amp usually has only one or two tubes. This number of tubes implies that they are being used as primitive transistors for logic functions, you can also see a number display made from nixie tubes at the top of the image.