Power Tubes

Power tubes, or output tubes, continue to amplify the signal sent from the preamp section so they can drive the speakers. Each set of power tubes will draw a different current (measured in milliamps), affecting how fast the signal gets passed through your amp. The speed of this current will have a big impact of the tone of your guitar amp.

 


  • Ruby EL84CZ

    Ruby-EL84CZ
    $12.49
    Ruby EL84CZ. Selected JJ EL84's. Punchy, nice low end definition.
  • Ruby KT66

    Ruby KT66
    $35.95

    Great cleans, with a nice grind. This Ruby tube is a re-labeled Chinese Shuguang tube

  • Ruby KT88-STR

    Ruby KT88 STR
    $44.95

    Select 3-hole plate KT88 made by Shuguang in China. Also re-marketed as Valve Art.

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