Are ECC83 tubes the same as 12AX7?

Are ECC83 tubes the same as 12AX7?

The ECC83 Valve – also known as the 12AX7. The 12AX7 Valve (or 12AX7 vacuum Tube) is a small preamplifier valve which is identical to the ECC83 – same valve, just a different name. It has two identical triodes both of which have a high voltage gain.

Is a 7025 tube the same as a 12AX7?

The ECC83 (12AX7) Valve The answer is simple. In ‘theory’ you’ll get a bit lower noise and lower hum with a 7025. Otherwise, they are identical.

Where are Mullard reissue tubes made?

Saratov, Russia
The Mullard name and trademark have been acquired by the New Sensor Corporation. This new production Mullard 12AX7 tube is manufactured at their Xpo-Pul factory (also known as Reflektor) in Saratov, Russia.

Are 12AX7 and 12AY7 interchangeable?

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.

What is an ECC83 tube?

ECC83 (Fig 2) is how it’s commonly known in Europe, and it is also its Mullard-Phillips tube designation. There are also many slightly altered versions of these tubes.

What is a 12AX7 (ECC83)?

The 12AX7 (ECC83) vacuum tube was invented almost 70 years ago and is still an absolute necessity for every electric guitar tube amp and a wide range of hifi audio tube amplifiers…More Details.

What is the average of new production for Nos ECC83?

Ever since I test NOS ECC83 and 12AX7, I find that the average of new production is not at 1.2mA as by the text book. The average is always around 1.1mA. Also for new tubes, and 1.0mA is normal too. And don’t ask me why that is, but it is so with NOS and NEW tubes. The dictionary definition of “normal” is: “occurring most often”.

How many ECC83 speakers are sold each year?

Still today, the market for ECC83 is huge, with more than 2 million pieces sold yearly, mostly for guitar amplifiers, but also a good part for Hi Fi amplifiers and phono RIAAs made ever since the early 1950’s.