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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-6L6-EHVacuum Tube - 6L6, Electro-Harmonix

Electro-Harmonix 6L6 Vacuum Tube Beam power tetrode modeled after the vintage RCA 6L6GC "blackplate". Features large plate dimensions and improved grid structure for increased power handling capabilities.


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T-EL84-EHVacuum Tube - EL84, Electro-Harmonix

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.


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T-6CA7-EHVacuum Tube - 6CA7, Electro-Harmonix

Electro-Harmonix 6CA7 Vacuum Tube Big bottle beam-tetrode version of EL34. Perfect EL34 replacement for Musicman amplifiers.


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T-EL34-EHVacuum Tube - EL34, Electro-Harmonix

Most common power pentode found in British amplifiers such as Marshall, Hiwatt, Laney, and Sound City. The EL34EH defines the classic British rock sound of the 1960s and 1970s.


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T-12AX7EHVacuum Tube - 12AX7/ECC83, Electro-Harmonix

This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.


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T-6V6GT-EHVacuum Tube - 6V6GT, Electro-Harmonix

Octal power tube (Max Plate Watts = 14W) Beam power tetrode with a specially developed cathode coating, careful alignment of the grid, tri-alloy plate material for flawless performance up to 475 volts. Perfect for high plate voltage amplifiers like the Fender Deluxe Reverb.


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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-KT88-EH-XVacuum Tube - KT88, Electro-Harmonix

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.


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T-12AT7-EHVacuum Tube - 12AT7/ECC81, Electro-Harmonix

Electro-Harmonix 12AT7 / ECC81 Vacuum Tube Large plate format, superior dissipation over the originals. Perfect for reverb and driver circuits.


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T-7591A-EH-XVacuum Tube - 7591A, Electro-Harmonix

7591A Electro-Harmonix Power Tube Beam power tetrode used in vintage Ampeg and Gibson guitar amplifiers. Also, used in tube hi-fi equipment made by Fisher, Scott, and Harmon-Kardon.


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