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Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.

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T-EL34II-JJVacuum Tube - EL34 II, JJ Electronics, Pentode

A different construction of the classic EL34 tube that offers a different tonal palette than the original. This tube has a more compact plate structure than standard EL34’s. The JJ EL34 II has an increased low to low-mid end with plenty of headroom to spare. The JJ EL34 II is stronger than the original but not harsh sounding in any way.


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T-12AT7-TADVacuum Tube - 12AT7 / ECC81-C, Tube Amp Doctor, Premium Selected

Rich-sounding Reverb Driver - Also Great for Headphone Amps! Low noise tube, selected for best symmetry and balance. A strong driver tube and a wounderfully rich-sounding reverb driver.


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P-YJRSolid State Rectifier - Yellow Jackets® YJR, For 5AR4, 5U4, 5Y3

The YJR is a direct plug-in replacement adapter for use in most amplifiers that use 5AR4/GZ34, 5U4, 5Y3 or similar full-wave rectifier tubes. The YJR converts your amp's vacuum tube rectifier to a solid state rectifier, reducing tube sag for a tighter sound and feel. The tube rectifier can easily be swapped back in when sag is desired. This Yellow Jacket® is a solid state device and as such does not come with vacuum tubes.



  • Converts most audio amplifiers which use a vacuum tube rectifier 5AR4/GZ34, 5U4 or 5Y3 to a solid state device.
  • Safe for all common amplifiers and transformers.


All Yellow Jackets® have a one year warranty against manufacturer defects.


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T-5AR4-SOVTVacuum Tube - 5AR4, Sovtek

Octal rectifier tube (Max DC output current = 250 mA)


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T-ECC802-S-JJ-XVacuum Tube - ECC802 / 12AU7, JJ Electronics, Long Plate

A high performance, long plate version of the ECC82 / 12AU7. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. The long plate version of this tube differs from the standard version with its stronger and fuller sound which offers a wider and more balanced frequency response.


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T-6L6WXT+SOVTVacuum Tube - 6L6WXT+, Sovtek
Higher in gain than the 5881WXT, with full base.
Sovtek is proud to announce the release of their new 6L6WXT+ vacuum tube. Modelled after the vintage RCA 6L6GC "blackplate," the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities. The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance to any 6L6 or KT66.
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T-12BH7A-TADVacuum Tube - 12BH7A-STR, Tube Amp Doctor, Premium Selected

Maximum of Reliability - Outstanding Tonal Quality! The all-new TAD 12BH7A-STR combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version.


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T-12AY7-EHVacuum Tube - 12AY7 / 6072A, Electro-Harmonix

Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.


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T-7025-HG-TADVacuum Tube - 7025, Tube Amp Doctor, High Grade

Warm, clean tone with creamy overdrive! PREMIUM selected quality for the most demanding amp stages. This tube works greatly for warm clean tones and creamy overdrive. We recommend this tube for the 1st gain stage and as input tube. It upgrades 12AX7A and ECC83 tubes and replaces E83CC tubes. The HIGHGRADE Selection is the tip-of-the-top quality at the lowest noise (microphony, hum, hiss) level. Typically only 0.5-2% out of the whole production of this tube meet the HIGHGRADE requirements.


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T-12AX7-C-GTVacuum Tube - 12AX7 C, Groove Tubes

9 pin miniature preamp tube (Amplification Factor = 100). This is the ubiquitous Chinese 12AX7 with added selection. The gain is high and the American "Groove Tubes" must be filtering out the noisiest ones. Great chiming tone with sweet, warm midrange excellent for Marshall® and Fender® amps. Smooth distortion characteristics and one of the highest-output preamp tubes in the GT 12AX7 line, with very consistent quality


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