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.

Mullard Reissue

Electro-Harmonix

T-12AX7EH Vacuum 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
T-12AX7-MUL Vacuum Tube - 12AX7 / ECC83, Mullard Reissue
Russian-made Mullard Reissue 12AX7 dual triode. Large sound stage with excellent detail. Factory selected for low noise and microphonics. Great for hi-fi amps.
$19.95
T-EL84-MUL Vacuum Tube - EL84, Mullard Reissue
Russian made Mullard reissue EL84. Copy of the original. Black plates, carbonized screens, and gold plated grids. This tube was the "Voice of the Vox AC-30." A mainstay of affordable quality hi-fi amplifiers of the 1960s. 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 $15.50
T-12AY7-EH Vacuum Tube - 12AY7 / 6072A, Electro-Harmonix
Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.
$16.75
T-EL34-MUL Vacuum Tube - EL34, Mullard Reissue
Premium high-voltage power pentode. An extremely faithful reissue of the XF2 Mullard EL34 from the 1960s.
Starting at $23.25
T-6V6GT-EH Vacuum 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
T-12AX7EH-3 Vacuum Tube - 12AX7 / ECC83, Electro-Harmonix, package of 3
Package of 3
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.
$41.25
T-12AT7-EH Vacuum 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
T-EL34-EH Vacuum 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
T-5U4GB-EH Vacuum Tube - 5U4GB, Electro-Harmonix
Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.
$15.40
T-6L6-EH Vacuum 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
T-12AU7A-EH Vacuum 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
T-EL84-EH Vacuum 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
T-7591A-EH-X Vacuum 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.
Starting at $22.95
T-6CA7-EH Vacuum Tube - 6CA7, Electro-Harmonix
Electro-Harmonix 6CA7 Vacuum Tube Big bottle beam-tetrode version of EL34. Perfect EL34 replacement for Musicman amplifiers.
Starting at $19.95
Save 21%
Originally: $25.25
T-12BH7-EH Vacuum 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
T-KT88-EH-X Vacuum 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.
Starting at $34.95
T-12AU7-MUL Vacuum Tube - 12AU7, Mullard Reissue
Mullard 12AU7 / ECC82 dual triode preamp tube. Made in Russia.
$22.75
T-GZ34-MUL Vacuum Tube - GZ34 / 5AR4, Mullard Reissue
Premium directly heated heavy duty rectifier Diode. Re-issue of the most popular rectifier valve ever built by Mullard. Helps extend the life of the other valves in the amplifier by allowing them to heat up before plate voltage is applied.
  • Low internal voltage drop & controlled heater warm up time
  • Excellent choice for both Hifi and instrument amplification
  • Replacement/upgrade for all 5AR4/GZ34 types
$38.95
T-6973-EH-X Vacuum Tube - 6973, Electro-Harmonix
Electro-Harmonix 6973 Power Tube Beam power amplifier used in vintage Gretsch and Magnatone amplifiers. This is a real 6973, not a rebrand of a "close" tube.
Starting at $20.45
T-6550-EH Vacuum Tube - 6550, Electro-Harmonix
Superior high-power Octal Beam Tetrode, suitable for any amp using 6550 or KT88. Designed to hold up in even the most punishing environment of high powered bass amps, such as Ampeg SVT. With 42 watts of plate dissipation in tetrode operation and 44 watts in triode, power is improved even over desirable vintage types.
Starting at $33.95
T-6922-EH Vacuum Tube - 6922 / E88CC, Electro-Harmonix
High frequency twin triode preamplifier tube used in studio and hi-fi equipment.
Starting at $15.85
T-12AX7-CV4004-MUL Vacuum Tube - 12AX7 / CV4004, Mullard Reissue
Mullard 12AX7 / CV4004 dual triode preamp tube. Made in Russa. The CV4004/12AX7 is a high gain, low noise valve with a short plate structure for reduced microphonics. Excellent for use in high gain Marshall pre-amplifier circuits where noise and microphonics can be a problem. Great for guitar amps.
$22.75
T-6CG7-EH Vacuum Tube - 6CG7, Electro-Harmonix
Electro-Harmonix 6CG7 dual triode preamp tube. Made in Russia.
$17.95
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