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Vacuum Tubes for Guitar & Hifi Amps | Doug's Tubes


Ruby Tubes

Ruby Tubes

  • Ruby 6550A-STR

    Ruby 6550 STR
    $49.95

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

  • Ruby 6L6GC-CZ

    Ruby 6L6GC-CZ
    4 Review(s)
    $23.45
    Singles only available.

  • Ruby 6L6GCBSTR

    Ruby 6L6GCBSTR
    $0.00
    RUBY 6L6GCBSTR. Tall bottle, solid black plate. ****OUT OF STOCK****

  • Ruby EL84CZ

    Ruby-EL84CZ
    1 Review(s)
    $13.95
    Ruby EL84CZ. Selected JJ EL84's. Punchy, nice low end definition.

  • Ruby KT66C

    Ruby KT66
    $39.95

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

  • Ruby KT88-STR

    Ruby KT88 STR
    $59.95

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

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Doug's Tubes, Inc.

188 Tally Lane

Wantagh, NY 11793

 

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Friday 11am-4PM EST

Saturday and Sunday Closed

 

 

Call to place an order:

516-314-0357

 

Email for tube recommendations:

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