Ruby Tubes

Ruby Tubes


  • Ruby 6550A-STR

    Ruby 6550 STR
    $44.95

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

  • 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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