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T-12AX7EH12AX7/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.


$12.95
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T-12AY7-EH12AY7/6072A - Electro-Harmonix

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


$15.75
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T-6V6GT-EH6V6GT - Electro-Harmonix
Multiple Options Available

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 $18.50
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T-12AT7-EH12AT7/ECC81 - Electro-Harmonix

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


$12.50
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T-5U4GB-EH5U4GB - Electro-Harmonix
Electro-Harmonix 5U4GB Vacuum Tube
Straight bottle full-wave rectifier.
$13.45
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T-EL34-EHEL34 - Electro-Harmonix
Multiple Options Available

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 $15.00
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T-EL84-EHEL84 - Electro-Harmonix
Multiple Options Available
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. For more information about our 12AX7 tubes, see our tech corner article on 12AX7s.
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 $11.49
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T-7591A-EH7591A - Electro-Harmonix
Multiple Options Available

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 $21.25
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T-12AU7A-EH12AU7A/ECC82 - Electro-Harmonix
Electro-Harmonix 12AU7A / ECC82 Vacuum Tube
Medium-Mu twin triode for use in preamplifier and driver circuits.
$13.95
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T-12BH7-EH12BH7 - Electro-Harmonix
Electro-Harmonix 12BH7. Made in Russia.
Medium-Mu twin triode driver tube. 3.5 watts dissipation per plate.
$17.85
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