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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-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.


Starting at $13.75
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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.


Starting at $18.95
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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.


$16.75
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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.


$12.95
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T-5U4GB-EHVacuum Tube - 5U4GB, Electro-Harmonix

Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.


$15.40
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T-EL34-EHVacuum Tube - EL34, Electro-Harmonix

Superior "Black base" high-voltage power pentode. 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. Perfect EL34 for vintage equipment and for improved performance of modern amps. Extremely musical and predictable, with a sound that is rich, smooth, and detailed without being edgy.


Starting at $17.95
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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.


Starting at $11.70
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T-12AU7A-EHVacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.


Starting at $13.95
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T-6L6-EHVacuum Tube - 6L6, Electro-Harmonix

Superior power Beam tetrode with large plate dimensions and improved grid structure for increased power handling capabilities. Excellent tone and performance compared to most other 6L6 or KT66 types.


Starting at $21.75
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T-12BH7-EHVacuum Tube - 12BH7, Electro-Harmonix

Superior medium-mu twin triode driver tube for hifi use. 3.5 watts dissipation per plate. New design of excellent quality


Starting at $17.95
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