Are 12AU7 and 12AT7 interchangeable?
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.
What is the difference between 12au7a and 12AU7?
Both tubes are electrically identical. The “A” is a slightly more rugged construction which results in lower output microphonics. The “A” designation is more for application purposes, designed to be used in a series heater circuit of tv’s, radios and other older electronics.
What is a 12AT7 tube used for?
The 12AT7 is found in many high fidelity applications, as each triode section in normal use operates as a class A amplifier. They also turn up in line and microphone preamplifiers, musical instrument amps, and vacuum tube equipped recording equipment.
Is ECC81 the same as 12AT7?
ECC81 is 12AT7 medium gain pre-amplifying double triode. Can be also used as replacement for 12AX7 in many applications.
Do preamp tubes make a difference?
A good tube pre can make a huge difference in sound presentation. The longer they’re on the better they sound.
What is the best sounding 12AX7 tube?
Best 12AX7 Tubes for Hi-Fi 2021
- 1 Genalex Gold Lion Best 12AX7 Tube for Hi-Fi. See more reviews.
- 2 JJ 12AX7 Preamp Vacuum Tubes (ECC83) for Hi-Fi. See more reviews.
- 3 Tung-Sol 12AX7 Preamp Tube for Hi-Fi. See more reviews.
What is a 5963 tube?
The 5963 is a miniature, medium-mu twin triode for use as a frequency divider in computer applications. When used in such “on-off” control applications, the 5963 will maintain its emission capabilities after long periods of operation under cutoff conditions.
How much current does a 12AX7 draw?
| 12AX7 | |
|---|---|
| Typical class-A amplifier operation | |
| Amplification factor | 100 |
| Anode voltage | 250 V |
| Anode current | 1.2 mA |
Do preamp tubes wear out?
Preamp tubes are more compact and don’t have to work as hard, so they tend to last even longer, or seemingly forever if you’ve been waiting for them to go bad so you don’t need any excuses to try a new set.
What’s the difference between a 12AX7 and a 12AU7?
The biggest difference between these power tubes is the amount of gain they will provide. 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.
Which is better a 12AT7 or a 12AY7?
It depends on a lot of things.Gain is just the start. A 12AT7 will work but a good 12AY7 will be best. That’s not true.A different tube can easily sound ‘thin’ or ‘brighter’ than another tube,even the same type.Example:a JJ 12AX7 is darker than an EH 12AX7 by a long shot.Usually a lower gain tube is darker than a higher gain tube for the most part.
What’s the difference between the 12AT7 and the 5965?
5965: This industrial tube is close enough to the 12AT7 that audiophiles have started buying them up and commenting on the low noise of this tube. It most likely is because it has a lower gain, a mu of 47 compared to 60 of a 12AT7.
Can a 12AX7 tube be used for a 12AU7 tube?
Technically, yes, you can physically interchange a 12AX7 tube for a 12AU7 tube in your amp without risk of major damage to your amp. However, it’s usually not recommended to do so, because the huge difference in gain between the 2 tubes usually won’t give you a very good sound (and it’ll be significantly quieter than it was before).