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.

Electro-Harmonix

T-6L6-EH Vacuum 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.
Starting at $21.75
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-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-EL34-EH Vacuum 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.
Starting at $17.95
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.
$13.75
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-12AY7-EH Vacuum Tube - 12AY7/6072A, Electro-Harmonix
Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.
$16.75
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-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-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-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-12AU7A-EH Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix
Electro-Harmonix 12AU7A / ECC82 Vacuum Tube Medium-Mu twin triode for use in preamplifier and driver circuits.
$13.95
T-6922-EH Vacuum Tube - 6922/E88CC, Electro-Harmonix
High frequency twin triode preamplifier tube used in studio and hi-fi equipment.
$15.85
T-7868-EH Vacuum Tube - 7868, Electro-Harmonix
Electro-Harmonix 7868 power pentode tube with “novar” base. Made in Russia.
Starting at $29.95
T-5U4GB-EH Vacuum Tube - 5U4GB, Electro-Harmonix
Electro-Harmonix 5U4GB Vacuum Tube
Straight bottle full-wave rectifier.
$15.40
T-6550-EH Vacuum Tube - 6550, Electro-Harmonix
Electro-Harmonix 6550 Vacuum Tube
  • Rugged beam tetrode power tube used in Ampeg SVT, Sunn, and hi-fi amplifiers.
  • Uses a special high temperature leaded glass for reliability and superior vacuum integrity.
  • Special high-temperature leaded glass for reliability and vacuum integrity.
  • Tri-alloy plate material for maximum power and dissipation.
  • Available in singles and matched tubes.
Starting at $33.95
T-12BH7-EH Vacuum Tube - 12BH7, Electro-Harmonix
Electro-Harmonix 12BH7. Made in Russia.
Medium-Mu twin triode driver tube. 3.5 watts dissipation per plate.
$17.95
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-2A3-GOLD-EH Vacuum Tube - 2A3, Electro-Harmonix, Gold Pin
Electro-Harmonix 2A3 power triode tube with gold pins. Made in Russia. Gold plated grid.
Starting at $60.45
Save 6%
Originally: $64.50
T-6AQ8-EH Vacuum Tube - 6AQ8, Electro-Harmonix
Electro-Harmonix 6AQ8 dual triode preamp tube. Made in Russia.
$26.95
T-6BM8-EH Vacuum Tube - 6BM8, Electro-Harmonix
Electro-Harmonix 6BM8 triode pentode tube. Made in Russia.
Contains one preamp triode and one power pentode in a 9 pin miniature package.
$21.75
T-6CA4-EH Vacuum Tube - 6CA4, Electro-Harmonix
Electro-Harmonix 6CA4 full-wave rectifier tube. Made in Russia.
$15.95
T-6CG7-EH Vacuum Tube - 6CG7, Electro-Harmonix
Electro-Harmonix 6CG7 dual triode preamp tube. Made in Russia.
$17.95
T-6SN7-EH Vacuum Tube - 6SN7, Electro-Harmonix
Electro-Harmonix 6SN7 medium-mu twin triode preamp tube. Made in Russia.
New low noise HiFi 6SN7.
$19.50
Don't see what you're looking for? Send us your product suggestions!