Best Electro Harmonix Guitar Amplifier Tubes in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MyGuitarSupply | 6.27 | ❌ | ❌ | ❌ |
Ultra low noise thanks to unique spiral filament which eliminates cathode-to-filament induced hum (common on amplifiers that use AC on the filaments)
Best all-around choice & best value
Single tube
ECC83/7025 equivalent
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ADVENTURER'S BAG | 9.90 | ✅ | ✅ | ✅ |
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.
Manufactured In Russia
Single Tube
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Matched Pair
Matched for both gain and conductance
Spiraled filament allowing for reduced noise
Great value
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.44 | ❌ | ❌ | ❌ |
Height: 2.75” (without pins)*
Diameter: 0.87” *
Tube measurements are as follows:
*Note: Due to the method of production in regards to the glass, measurements may vary slightly.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
High frequency twin triode preamplifier tube used in studio and hi-fi equipment.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Originally designed for use in audio preamplifiers requiring low microphonics and good linearity, such as Fender "Tweed" Series
Perfect replacement for any 6072/12AY7 type
Superior medium-mu small signal twin triode with high transconductance
May be used instead of 12AX7/ECC83 in first gain stage of various amps for a more linear, vintage response.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Best 12AT7 choice for HiFi
Also suitable for guitar amp circuits
Single tube
ECC81 equivalent
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Provides high gain with ultra low noise and detailed
Musical tone that rivals the most desirable NOS types
Unique spiral filament
Eliminates filament-to-cathode induced hum common on amps
Electro-Harmonix is rocking the vacuum tube community
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Great tube for guitar and Hi-Fi amps
Tubes are handpicked from balanced inventory
Triodes are balanced within 3% for both gain and transconductance
Test readings will be hand written on factory box
Tube will be wrapped in bubble wrap to ensure a safe delivery
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ADVENTURER'S BAG | 9.90 | ✅ | ✅ | ✅ |
Exact duplicate of the famous RCA 5U4GB Black Plate
Great quality and sound at a bargain price.
Perfect for all vintage and modern amps
Excellent materials used for long life and durability. Able to handl voltages up to 1500Vdc
Slim bottle design for amps with tube clearance issues
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.24 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Mica spacers with metal springs eliminate tube rattle and microphonic
Superior tone and performance to most other 6L6 or KT66 types
Platinum pair (2 tubes), computer-matched by manufacturer on proprietary equipment
5881 equivalent
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
High frequency twin triode preamplifier tube used in studio and hi-fi equipment
Tubes are handpicked from balanced inventory
Triodes are balanced within 5% for both gain and transconductance
Test readings will be hand written on factory box
Tube will be wrapped in bubble wrap to ensure a safe delivery
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Matched pair (2 tubes)
Matched within 5% for both gain and transconductance
Direct replacement for any EL34
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tonal Tubes | 9.91 | ❌ | ❌ | ❌ |
Extra-low microphonics makes it the best 12AT7 choice for reverb circuits. Also suitable for HiFi.
Factory selected for closest tolerances and most consistent performance
ECC81 equivalent
Electro-Harmonix 12AT7WC dual triode preamp tube
Made in Russia
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Straight bottle classic design fits more applications, perfect for dual rectifier amps.
Excellent choice for both Hifi and instrument amplification.
Single tube
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Low microphonics, high linearity
Reproduction of the NOS GE 6189
ECC82 equivalent
Superior medium-Mu Twin Triode for use in preamplifier and driver circuits
Standard replacement for all circuits requiring 12AU7/ECC82 types.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.49 | ❌ | ❌ | ❌ |
Type: Prepipe
Tube Type: Double 3 pole tubing
Shape: Miniature/mT
Selection: Single
Electrode: Large plate
Warranty: 90 days after purchase
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Features specially developed cathode coating, careful alignment of the grid, and tri-alloy plate material
Perfect for high plate voltage amps like the Fender Deluxe Reverb
Platinum pair (2 tubes), computer-matched by manufacturer on proprietary equipment
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.49 | ❌ | ❌ | ❌ |
EL34 Matched Power Tubes Hard Duet
The Electro-Harmonix EL34EH is an extremely musical and predictable power tube with a sound that is rich, smooth, and detailed without being edgy
It is the perfect EL34 for vintage equipment and a sure way to improve the performance of modern equipment
According to the technical journal, Vacuum Tube Valley, "The Electro-Harmonix EL34EH is balanced throughout the entire music spectrum
Bass goes deep and is tight, mids are sweet and well defined, and highs are detailed and extended
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Increased thickness of glass envelope for lowest microphonic.
Based on NOS GE Grey Plate 12BH7
Single tube
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Electro-Harmonix KT90 power tube
Made in Russia
Absolutely the best KT90 ever developed
Wafer base height of 0.34”.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.39 | ❌ | ❌ | ❌ |
Straight bottle classic design fits more applications
Perfect for dual rectifier amps
Excellent choice for both Hifi and instrument amplification
Superior directly heated rectifier Diode
Replacement for all 5U4 types, including NOS-style "big bottle" tubes
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VIVA TUBES | 7.64 | ❌ | ❌ | ❌ |
Low microphonics, high linearity
Reproduction of the NOS GE 6189
ECC82 equivalent
Superior medium-Mu Twin Triode for use in preamplifier and driver circuits
Standard replacement for all circuits requiring 12AU7/ECC82 types.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Type: Output Tube
Tube Type: Side heat beam tube
Shape: ST
Selection: Matched 2 Pack
Warranty: 90 days after purchase
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon Japan | 5.10 | ❌ | ❌ | ❌ |
Type: Output Tube
Tube Type: Side heat 5 poles
Shape: Straight/T
Selection: Single
Warranty: 90 days after purchase
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Electro-Harmonix | 25 |
| Electro Harmonics | 3 |
We've carried out a comprehensive analysis of 1,136 reviews on guitar amplifier tubes electro harmonix, using our selection criteria to identify the best options in the musical instrument accessories. Our findings reveal that most customers typically select guitar amplifier tubes electro harmonix priced around $60.43, with top brands including boss, electro-harmonix, digipartspower and electro harmonics and ablegrid
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