Ruby Tubes

Ruby Tubes


  • Ruby 5U4GC

    Ruby 5U4GC
    $14.98
    Ruby 5U4GC
  • Ruby 5Y3GT

    Ruby 5Y3GT
    $14.95
    Ruby 5Y3GT
  • Ruby 6550A-STR

    Ruby 6550 STR
    $35.95

    Ruby 6550A-STR is a Chinese Shuguang(Sino equivalent) - selected by RUBY.

  • Ruby EL84CZ

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

    Ruby KT66
    $33.95

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

  • Ruby KT88-CZ

    Ruby KT88-CZ
    $38.95
    Detailed character, tightly compressed bottom end.
  • Ruby KT88-STR

    Ruby KT88 STR
    $39.95

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

  • Ruby/JJ 5U4GB-CZ

    Ruby/JJ 5U4GB-CZ
    $15.95
    Ruby(JJ) 5U4GB-CZ

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