Ruby Tubes
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Ruby 12AX7AC5 HG+
$27.95Sweet, warm tone. Highest grade, lowest noise. Shuguang 12AX7B tested to Ruby specs.
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Ruby 12AX7ACZ HG
$22.95Highest gain 12AX7, great for metal and hard rock. Selected high grade JJ ECC83. -
Ruby 12AX7ACZ HG+
$26.95Highest gain 12AX7, great for metal and hard rock. Selected highest grade JJ ECC83.
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Ruby KT66C
$59.95Great cleans, with a nice grind. This Ruby tube is a re-labeled Chinese Shuguang tube
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Ruby KT88-STR
$59.95Select 3-hole plate KT88 made by Shuguang in China. Also re-marketed as Valve Art.