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brainstorming

  1. thorpej

    Brainstorming something fun to do with a type 27

    I have a couple of old radios that use type 27s (or, in the case of my Sparton, can be adapted to use 27s with a power supply tweak, because the original 484/485 is now unobtanium), and I recently picked up a small lot of a dozen or so 27s to have a few spares. Turns out that all of the tubes...
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