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Ruby Tubes

Ruby Tubes

Gift Card 2021

From: $25.00

To: $100.00

Doug's Tubes Gift Card 2021
Ruby 12AT7C HG

$12.25

Ruby 12AT7C HG high grade.
Ruby 12AU7 High Grade

$11.95

Ruby 12AU7 HG

Ruby 12AX7AC5 HG

6 Review(s)

$16.95

Sweet, warm tone. Shuguang 12AX7B tested to Ruby specs
Ruby 12AX7AC5 HG+

12 Review(s)

$19.95

Sweet, warm tone. Highest grade, lowest noise. Shuguang 12AX7B tested to Ruby specs.
Ruby 5AR4C

$23.95

Ruby 5AR4C

Ruby 5Y3GT

1 Review(s)

$21.95

Ruby 5Y3GT
Ruby 6550A-STR

$49.95

Ruby 6550A-STR is a Chinese Shuguang(Sino equivalent) - selected by RUBY.
Ruby 6L6GC-CZ

4 Review(s)

$23.45

Singles only available.

Ruby 6L6GCBSTR

$0.00

RUBY 6L6GCBSTR. Tall bottle, solid black plate. ****OUT OF STOCK****
Ruby 6L6GCM/5881

$0.00

RUBY 6L6GCM. Short bottle, grey plate. OUT OF STOCK
Ruby 6L6GCMS

5 Review(s)

$25.95

RUBY 6L6GCMS. OUT OF STOCK

Ruby EL34-CZ

1 Review(s)

$22.95

Ruby EL34-CZ
Ruby EL84-CZ

1 Review(s)

$13.95

Ruby EL84-CZ. Selected JJ EL84's. Punchy, nice low end definition.
Ruby KT66C

$48.95

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

Ruby KT88-STR

$59.95

Select 3-hole plate KT88 made by Shuguang in China. Also re-marketed as Valve Art.
Ruby/JJ 5U4GB-CZ

$19.95

Ruby(JJ) 5U4GB-CZ
Svetlana Winged =C= 6550

$99.95

Svetlana Winged "C" 6550. New old stock vintage 1998.