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Are you looking for the very best 12AX7 preamp tubes for your amplifier? This is the place to start. Check out the following vacuum tube reviews for guidance in getting the best possible tone out of your tube gear. Another common name for the 12AX7 tube is ECC83 and for premium versions, 7025 and ECC803.
- EL34 Family Tube Comparison
Jon @ thetubestore. Tim Smith from Wall Of Sound gives his...
- Sovtek 12AX7-WA, 12AX7-WB
Review – Sovtek 12AX7-WA, 12AX7-WB. Posted by John Templeton...
- KT66 Tube Reviews
Home. The Best KT66 Power Tubes - www.thetubestore.com. The...
- EL34 Family Tube Comparison
- Best 12Ax7 Tubes
- What Is A 12Ax7?
- How to Choose The Right 12Ax7
- Technical Information
- Different 12Ax7 Names and Labels
- FAQ
Each manufacturer produces a 12AX7 that is its own, and each one has strengths and weaknesses. Some are darker sounding while others are bright. Some are noisy while others are not. So I have created a comparison chart below with some reviews on what I feel these tube brands bring to the table. I chose these versions because they are some of the be...
The 12AX7 is a 9-pin dual triode, meaning it has 2 sides or amplifiers in one glass envelope or tube. It’s a small signal high-gain amplifier. It can take a small input signal and amplify it a lot. This is especially handy in instrument amplifiers. The signal from instruments is very low. Normally in the millivolt range. Each triode or amplifier in...
Given their popularity, it’s likely that your amplifier contains one or more 12AX7 tubes. These tubes are commonly used in guitar, bass, and HIFI amplifiers, as well as pedals for their desirable tone. However, how do you determine which 12AX7 tube is best suited for your sound and setup? Choosing a 12AX7 can be difficult. Especially with the many ...
Choosing the right tubes also means knowing it’s technical information. Below you will find some of the more important information that you should know about the 12AX7 tube.
The 12AX7 tube also comes in a few different model names. This is because some have been tested for noise levels. And others are made in different countries. Here are a few common names you might find for this vacuum tube.
Which 12AX7 Sounds Best?
I prefer the Genalex gold lion tubes because they are well-rounded in frequency response. They are also low in noise and robust. But they are expensive. You might prefer a different sound than what I like, however. And so, in order to truly know what sounds best to you, try a few different variations.
Are all 12AX7 tubes the same?
Electrically speaking, yes, they are the same with an amplification factor of 100. They are interchangeable as long as the design calls for a 12AX7 tube. But they are different when it comes to sound quality. Some sound darker than others and have different frequency response. There are even some that output more gain than others as well. Try and few different brands to see what you prefer.
My 12AX7 Flashes At Start-Up
A flash from a 12AX7 is normal at start-up and is nothing to worry about. Over the course of time, this may even go away. New tubes will often do this for the first few start-ups. There may be some gasses that remain from manufacturing. But I have found that it stops flashing after a few uses. If you see your power tubes flash at start-up, this is not normal! If this happens, turn your amp off and get it serviced. Flashing is bad and could cause damage to the amp.
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Cymbals shimmer and shine. The 7581-A is big, up front. It follows aggressive beats without a drip of sweat. No other tube has imparted such a sense of strength and complete control to my Musical Paradise amp. With this single tube, my MP amp is now as authoritative as my pricier EL34-based Coincident Dynamo amplifier. This Tung-Sol’s a keeper.
Aug 10, 2020 · With over 500 reviews and guides, you will find here a lot of information about vacuum tubes, vacuum tube related equipment, and other analog gear. Become a member – post your own reviews – help others navigating the Maze!!! All reviews from this site are in the comments.
Home. The Best KT66 Power Tubes - www.thetubestore.com. The Best KT66 Power Tubes - Reviews and Guide. Are you looking for the very best KT66 power tubes for your vacuum tube amplifier? This is the place to start. Check out the following tube reviews for guidance in getting the best possible tone out of your tube amp.
Jan 1, 2016 · Jon @ thetubestore. Tim Smith from Wall Of Sound gives his perspective and provides a full review of 7 different EL34 / KT77 vacuum tubes for the purposes of home audio.
Mar 10, 2016 · Review – Sovtek 12AX7-WA, 12AX7-WB. Posted by John Templeton on March 10, 2016 in 12AX7, 7025 and 5751 Tubes | 7,441 Views | Leave a response. Summary: Made for function, not flair. Rugged enough they often come stock in many amps.
