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T-6550A-STR6550A STR - Ruby Tubes
Multiple Options Available
6550A-STR, Ruby brand, Power Tube
Starting at $26.00
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T-6L6GC-M-STR6L6GC-M-STR - Ruby Tubes
Multiple Options Available
Octal power tube (Max Plate Watts = 30W)
Starting at $18.25
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T-6L6GC-JJ6L6GC - JJ Electronics
Multiple Options Available

Octal power tube (Max Plate Watts = 30W). This Slovakian tube has colorful lows, loose / easy-going mid body and a brightly shining chime for the highs. In overdrive, it offers a tight and focused bite with crisp, bright and well-defined articulation.


Starting at $16.95
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T-EL34II-JJEL34 II - JJ Electronics, Pentode
Multiple Options Available

With respect to their datasheet specs, the new JJ EL34 II and the standard JJ EL34 seem to be the same. A closer inspection through the glass of the EL34 II reveals a different, narrower plate structure. The JJ EL34 II produces a tight, creamy overdrive distortion at a lower overall acoustic volume level. If you're looking to tame a loud EL34 amp slightly and have easy access to power tube distortion, this could be the tube for you!


Starting at $16.50
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T-E34L-BL-JJE34L - JJ Electronics, Blue Glass
Multiple Options Available

The E34L has a slightly higher grid voltage rating (-13.5 to-16.5 vs -10 to -13.5 volts) than the traditional EL34 vacuum tube. The blue glass is purely for aesthetics. For the same idle plate current value, the E34L is typically biased with a more negative grid voltage than the EL34. This allows the E34L to offer more headroom (later breakup) than the traditional EL34. Available in Singles, Matched Pairs or Matched Quads - please select from list.


Starting at $18.95
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T-KT88-JJKT88 - JJ Electronics
Multiple Options Available
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.
Starting at $38.50
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T-EL844-JJEL844 - JJ Electronics
Multiple Options Available
The JJ EL-844 is a new version of the EL84 tube. It has Reduced power and a more balanced frequency response. Spiral Filament. It reduces headroom by approximately 25%, which allows it to achieve overdrive at lower volume levels.

The JJ EL844 has a maximum dissipation of 9 watts, as opposed to 12 watts of a standard EL84. The plate is physically smaller than the standard EL84. When using the JJ EL844 in and amplifier with fixed bias, bias should be set accordingly so the tubes at idle are between 50 - 70% of maximum dissipation.

When using the JJ EL844 in an amplifier with cathode bias, the bias resistor may need to be changed to keep the tubes from exceeding their 9 watt maximum dissipation.
Starting at $12.50
On Backorder
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T-6V6-S-JJ6V6 - JJ Electronics
Multiple Options Available

6V6 S is a beam power pentode with octal base and a maximum plate dissipation of 14W. It has fat low end and full mid tones with very good tone separation and a smooth, clean high end. Known to be a very powerful 6V6 due to its robust construction. In general, a very balanced tone. It can be used also in some 6L6 amplifiers.


Starting at $14.95
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T-EL34-WCEL34 - Winged C
Multiple Options Available
Made in St. Petersburg, Russia. The Winged C EL34 is considered by many to be the best EL34 tube that money can buy. Perfect for Guitar Amps and Hi-Fi applications.
Starting at $55.00
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T-EL84-JJEL84 - JJ Electronics
Multiple Options Available

The JJ EL84 is an output pentode for use in guitar and Hi-Fi amplifiers. It has a noval base and maximum plate power of 12W.



Tube measurements are as follows:



  • Height: 2.75” (without pins)*
  • Diameter: 0.84”*


*Note: Due to the method of production in regards to the glass, measurements may vary slightly.


Starting at $9.99
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T-EL34-JJEL34 - JJ Electronics
Multiple Options Available

EL34 is an octal power tube with a maximum plate power of 25W. Very robust and reliable due to its internal construction.


Starting at $14.50
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T-6L6WGC-TAD6L6WGC - Tube Amp Doctor
Multiple Options Available

TAD 6L6WGC-STR GE-Style small bottle black-plate"Our recommendation for single-ended Amps like Fender Champ 12, Ibanez Valbee, and others.



  • TAD has the remakes of the all time favorite 6L6 classics of RCA and GE. The TAD 6L6WGC-STR has warm lower mids and silky top end; exactly like the classic GE version of the 50s and 60s. The complex midrange and sweet heights are dedicated to excellence in a class of its own. The perfect choice for vintage amps like the Bassman, Twin or Super Reverb.

Starting at $24.75
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