Ruby Power Tubes

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Ruby 6L6GCMSTR
Our best 6L6GC tube. Full sounding with good power and very durable construction. A rugged co
$17.24
Based on 3 reviews.
Similar to our most popular RUBY 6L6GCMSTR tube, about 1-2 watt higher in plate dissipation
$19.08
A popular EL34 Ruby Tube from China, . EL34 tube commonly used in Marshall amps. Great t
$20.01
Our newly manufactured EL34! All RUBY™ Tube power tubes come already matched. There is no
$16.93
Sovtek 5881R
This famous Russian 5881 tube is dependable and soft sounding. All RUBY™ Tube power tubes
$23.23
Sovtek 5881WXT+
A new Russian 6L6GC tube with more power and a rich and sparkly tone. It's rigid construction bas
$24.09
Sovtek 6L6GCEH
A Russian 6L6GC tube with good power and full tone. Structurally designed for heavy power handlin
$22.70
JJ 6L6GCCZ
The newest Tesla 6L6GC has a rugged glass envelope. Big, open, and articulate. Sparkling high
$19.12
JJ 6V6GTCZ
New 6V6GT from the Tesla/JJ factory. Clean with smooth clear high end. Well-defined bass note
$20.77
Ruby 6V6GTSTR
A new and improved 6V6GT from China. Full power output. Well built and consistent in both durabil
$16.10
Sovtek 6V6EH
A new 6V6GT from Russia. Good power and reliability.  Can handle high plate voltages, produc
$24.80
Ruby KT66C
This tube is becoming a popular alternative to a 6L6GC. A new sound. All RUBY™ Tube power
$39.19
JJ KT77CZ
KT77 Tesla. Nice balance all around. Sound is somewhere in between 6L6 and EL34. There's more hea
$25.62
Ruby KT88STR
An entirely new KT88. Built in the style of the early British KT88. All RUBY™ Tube power
$47.91
JJ KT88CZ
KT88 from the Tesla/JJ factory. All RUBY™ Tube power tubes come already matched. There is
$51.45
JJ 7027ACZ
The first new production 7027A in over 10 years. Perfect in Ampegs. All RUBY™ Tube power
$28.50
JJ EL84CZ
The most powerful EL84. Much like the GE6BQ5. Great compromise between tone and reliability.
$13.57
Ruby EL84C
6BQ5 from China. All RUBY™ Tube power tubes come already matched. There is no extra charg
$14.93
Sovtek EL84R
The same as a 6BQ5. Good replacement in Boogies and Fenders. All RUBY™ Tube power tubes c
$12.28
Ruby EL34BSTR
High-gain EL34 with dynamic tone. Extra-strong bottle. Loud and clear. Often reviewed as well-bal
$20.01
A Tesla/JJ modified EL34 with great tone and lots of power. Very dependable. Bold bass, thick mid
$19.33
JJ KT66 is a beam power pentode with an octal base and power of 25W. It has a powerful sound with
$51.45
JJ E34LCZ
A new Tesla/JJ modified EL34 with great tone and lots of power. Very dependable. Bold bass, thick
$19.88
Ruby EL34BHT
A new EL34 Ruby Tube from China. Great tone and very rugged. Little thin on the lows, great m
$20.01
Sovtek EL34EH
A copy of the German EL34 tube. Very dependable. All RUBY™ Tube power tubes come already
$22.01
Ruby 6550ASTR
New remake of the GE6550, with tough, straight bottle. All RUBY™ Tube power tubes come al
$47.06
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