The Best 12ax7 Tubes of 2023

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We ranked and reviewed the top 10 Best 12ax7 Tubes in 2023. Read more How we ranked

Emily Sloyan
May 30, 2023 12:58 AM

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JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack)

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SCORE
7.3
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
JJ Electronic

Features

This tube has a well balanced, colorful tone with strongly defined lows, mids and smooth highs

It allows for more clean head-room than higher gain 12AX7s

In overdrive, it is smooth and strong with well defined lows and mids

When pushed into overdrive it offers clean distortion with well balanced lows and mids

The JJ 12AX7 is well suited for all types of music and playing styles

PROS

CONS

Tung-Sol 12AX7, Balanced Triodes

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SCORE
8.1
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Unknown

Features

Tubes are handpicked from balanced inventory

Triodes are balanced within 3% for both gain and conductance

Perfect for phase inverter in a guitar amp or for use in Hi-Fi amps

Will have test readings written on the box

Performance which surpasses NOS original in all areas. Big, warm and very musical. Superb linearity with a dynamic 3-D sound.

PROS

CONS

Blues Jr. / Pro Jr. JJ Tube Upgrade Kit (2x EL84, 3x 12AX7)

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SCORE
10.0
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
JJ / Tesla

Features

(3) T-12AX7-S-JJ

(1) T-EL84-JJ-MP (Apex Matched), which includes:

(2) T-EL84-JJ

PROS

CONS

12AX7 / ECC83 - JJ Electronics, Pin Type: Regular, package of 4

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SCORE
8.4
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
JJ Electronic

Features

Package of 4

The JJ Electronic 12AX7 / ECC83 has quickly become a modern classic in preamp tubes

Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price

The balanced tone of the JJ 12AX7 works well in any amp

This versatile tube sounds excellent in clean amps offering an amazing dynamic response while also proving itself in high gain amps with its low noise and noticeably less microphonic issues than other tubes

PROS

CONS

Vintage Retro 12AX7-ECC83 Vacuum Tube Pinout Tube Amplifier T-Shirt

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SCORE
9.4
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Vintage Audiophile Guitar Tube Amplifier Tees

Features

Do you also like the warm sound of classic tube amps when listening tomusic? Then this vintage retro style vacuum tube design is for you. This design features the pinout of the 12AX7-ECC83, one of the most famous tubes used in guitar- and Hi-Fi amplifiers.

Any audiophile musician playing guitar or bass and any electronics enthusiast who loves that vintage analog audio technology of tube amplifiers will adore this design.

Lightweight, Classic fit, Double-needle sleeve and bottom hem

PROS

CONS

JJ Electronics Amplifier Tube (T-12AX7-S-JJ)

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SCORE
9.3
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
JJ Electronic

Features

12AX7 vacuum tube,

U.S. Product Code: 12AX7

European product Code: ECC83

For guitar and Hi-Fi amplifiers,

Can be used in any preamp or microphone application

PROS

CONS

Matched Pair (2x) Genalex Gold Lion 12AX7 tube (ECC83)

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SCORE
9.3
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Genalex Gold Lion

Features

Matched Pair (2 tubes)

Gain and transconductance are matched within 10%

High quality tube with large detailed soundstage

Gold plated pins, reduces oxidation in socket. Greater connectivity

PROS

CONS

Mullard 12AX7/ECC83, Matched Pair

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SCORE
7.5
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
12AX7/ECC83

Features

Smooth tone

Large plates

Matched Pair (2 tubes)

Comes with factory boxes

Pair is matched within 10% for both gain and conductance

PROS

CONS

Electro-Harmonix 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack)

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SCORE
7.2
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
Electro-Harmonix

Features

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

For more information about our 12AX7 tubes, see our tech corner article on 12AX7s.

PROS

CONS

Pair of JJ ECC83s/12AX7 Preamp Vacuum Tube

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SCORE
9.7
KT Score

KT Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our advanced technological tool based upon the data collected. Our website is an independent organization and has no relation to the manufacturers, so our reviews are completely objective.
Brand
TubeDepot

Features

PROS

CONS

Last update on 2023-05-30 / Prices / Affiliate links / Images, and Product Highlights from Amazon Product Advertising API

Editor's Notes

We ranked and reviewed the top 10 Best 12ax7 Tubes in 2023. With the support of 42,559 customer's reviews, we hope that this article can give you the most realistic view of these products. The list below contains some main brands as jj-electronic, unknown, jj-tesla, vintage-audiophile-guitar-tube-amplifier-tees, genalex-gold-lion, 12ax7ecc83, electro-harmonix, tubedepot.