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T-7591-S-JJ7591 - JJ Electronics
Multiple Options Available
7591 S is an octal power pentode with power of 19W. Special tube for some types of vintage amplifiers.
$17.50
Starting at $15.75
You save: 10%
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T-KT88-BL-JJKT88 - JJ Electronics, Blue Glass
Multiple Options Available
Blue Glass
KT88 is a beam output pentode with an octal base and power of 42W. Very powerful, with strong bass and very bright highs. It can also be used in 6550 amplifiers.
$41.50
Starting at $37.35
You save: 10%
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T-E34L-S-MP-GTE34L - Groove Tubes, Matched Pair
Octal power tube (Max Plate Watts = 25W)
EXCLUSIVE GT design. The heat wings attached to the plate give this version of the original EL34 15 - 20 percent more power. Interchanges in any EL34 application and stays tight and robust all the way up to full power. Highly dynamic, big low end and runs cooler for longer life. Amazing headroom, killer tone and all of the great features and characteristics of the EL34 design.
$55.00
$49.50
You save: 10%
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T-6550A-VA6550A - Valve Art
Multiple Options Available
Octal power tube (Max Plate Watts = 42W)
$29.95
Starting at $26.96
You save: 10%
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T-KT88-EHKT88 - Electro-Harmonix
Multiple Options Available
Electro-Harmonix KT88 Vacuum Tube
High power kinkless-tetrode for use in amplifiers such as the Marshall Major. This tube is a favorite of audiophiles. Can be used in place of 6550 for a more "round" bass signature.
$32.25
Starting at $29.03
You save: 10%
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T-5751-SOVT5751 - Sovtek
Sovtek 5751 dual triode.
$18.95
$17.06
You save: 10%
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T-12AY7-GT12AY7 - Groove Tubes
This tube is closest in specification to a 12AX7 and can be exchanged with a slight drop in gain. Most companies changed over to the 12AX7 as it became more common.
This tube can be tried in later Marshall amplifiers in the first gain position, where the owner of these amps would like to drop the background noise and lower the gain level to plexi or early 70s vintage gain levels with its returned wider frequency response.
$17.95
$16.16
You save: 10%
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T-E34L-BE34L - JJ Electronics, Burned In
Multiple Options Available
JJ Electronic E34L - Burned-In
Available in Singles, Matched Pairs or Matched Quads - please select from list.
$33.40
Starting at $30.06
You save: 10%
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T-EL84-TADEL84 - Tube Amp Doctor
Multiple Options Available
What sets the TAD EL84 apart from other tubes is its heavy duty construction, featuring a thick glass envelope as well as premium cathode and plate materials and gold grid wire. This is a great replacement for any EL84 based amplifier.
Tube measurements are as follows:
  • Height: 2.75” (without pins)*
  • Diameter: 0.87”*

*Note: Due to the method of production in regards to the glass, measurements may vary slightly.
$17.25
Starting at $15.53
You save: 10%
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T-EL34-MULEL34 - Mullard Reissue
Multiple Options Available

Copy of the XF2 Mullard EL34 of the 60s. The perfect power tube for the Dynaco ST-70 or vintage Marshall amplifiers. the best current production EL34 available Made in Saratov, Russia


$21.25
Starting at $19.13
You save: 10%
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