Ruby Power Tubes

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The Sovtek 5AR4 is a great replacement for any 5AR4 / GZ34 tube. This 5AR4 made In russia, is Long l..
$30.55
This famous Russian 5881 tube is dependable and soft sounding. All RUBY™ Tube power tubes come ..
$30.55
A new Russian 6L6GC tube with more power and a rich and sparkly tone. It's rigid construction based ..
$37.69
A Russian 6L6GC tube with good power and full tone. Structurally designed for heavy power handling a..
$36.63
A new 6V6GT from Russia. Good power and reliability.  Can handle high plate voltages, producing..
$33.20
This tube is becoming a popular alternative to a 6L6GC. A new sound. All RUBY™ Tube power tubes..
$48.98
KT77 Tesla. Nice balance all around. Sound is somewhere in between 6L6 and EL34. There's more headro..
$33.53
An entirely new KT88. Built in the style of the early British KT88. All RUBY™ Tube power tubes ..
$59.88
KT88 from the Tesla/JJ factory. All RUBY™ Tube power tubes come already matched. There is no ex..
$69.77
The first new production 7027A in over 10 years. Perfect in Ampegs. All RUBY™ Tube power tubes ..
$37.14
6BQ5 from China. All RUBY™ Tube power tubes come already matched. There is no extra charge for ..
$18.66
The same as a 6BQ5. Good replacement in Boogies and Fenders. All RUBY™ Tube power tubes come al..
$16.72
6550 is a beam output pentode with an octal base and power of 35W. Very powerful and great for bass,..
$59.57
A new Tesla/JJ modified EL34 with great tone and lots of power. Very dependable. Bold bass, thick mi..
$23.05
A Tesla/JJ modified EL34 with great tone and lots of power. Very dependable. Bold bass, thick mid-ra..
$25.42
JJ KT66 is a beam power pentode with an octal base and power of 25W. It has a powerful sound with a ..
$66.05
A copy of the German EL34 tube. Very dependable. All RUBY™ Tube power tubes come already matche..
$33.00
New remake of the GE6550, with tough, straight bottle. All RUBY™ Tube power tubes come already ..
$58.83
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