Can you replace a 12AX7 with an 12AT7?
You can interchange a 12AX7 with 12AT7, 12AU7, 12AY7 or 5751 as they are all the same pin structure, however they will each give you a different result in your amp. Each of these tubes has a different gain factor, which means some will give higher gain and others lower gain.
Can I replace 12AU7 with 12AT7?
The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. In many cases, these tubes are interchangeable and can easily be swapped. We will take a look at why you might, or might not want to swap out the different types of tubes.
Can I swap 12AX7 for 12AU7?
Technically, yes, you can physically interchange a 12AX7 tube for a 12AU7 tube in your amp without risk of major damage to your amp.
Can you swap a 12AT7 tube for a 12AX7 tube?
Another common swap that guitarists make is to swap a 12AT7 tube for the commonly used 12AX7 used in the V1 position. If you’re looking to give your amp a little bit more clean headroom or want your tone to sound warmer, this is a super easy and simple “mod” you can do that’s about as easy as changing a lightbulb.
What is the difference between a 12AX7 and a 12AT7?
The 12AX7 has a gain factor of 100, while the 12AT7 has 60. The 12AU7 has the smallest, at just 20. The lower gain of the 12AT7 and 12AU7 also allows them to have a higher headroom, which can provide a warmer and cleaner sound. What Is Gain/Amplification Factor?
How can I reduce the gain on my 12AX7 preamp tubes?
If you have any amp that is producing too much gain with 12AX7 preamp tubes, then you could swap these for a lower gain tube such as a 5751 or 12AT7 which would help reduce the gain in the amp. You could go even lower if you wanted to really change your amp’s sound.
What is the difference between a 12AX7 and a 5751?
The 5751 is a common military-grade substitute for the 12AX7, with a lower gain output of 70. The 12AT7 The 12AT7 is another very well-known tube among guitar players. It has a much lower gain output at 60, but what you lose in gain you get back with more headroom, higher fidelity, and an increased current output.