Are ECC83 and 12AX7 the same?

Are ECC83 and 12AX7 the same?

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. It is used in 99% of all guitar amplifiers.

What amp tubes are interchangeable?

In some cases, “families” of tubes, mostly preamp tubes, are compatible, such as the “12A” family of preamp tubes — 12AX7, 12AT7, 12AU7, 12AY7. These tubes are largely the same, but feature different gain factors, so you can use them to custom-tailor the response and tone of your amp.

What tubes are interchangeable with 12AX7?

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 you mix and match preamp tubes?

It is perfectly okay to mix preamp tubes. In fact, it might be recommended in some cases. The reason why some musicians mix and match preamp tubes is because using different tubes can change or improve the tone of your preamp or amp.

What can you substitute for 12AX7?

Knowledge is power, and knowing an unusual substitute may be a true joy.

  • Small Signal Tubes:
  • 12AX7. Substitutes: ECC83, 12AX7A, 12AX7WA, 7025, 5761,6057,6681,7494,7729, 7025#, ECC83#, 6L13, 12DF7, 12DT7, 5751, 7025A, B339, B759, CV4004, E83CC, ECC803, M8137.
  • 12AU7.
  • 12AT7.
  • 6DJ8.
  • Rectifier Tube:
  • 5AR4.
  • Other Dual Triode Tubes:

Can you use a 12AT7 in place of an 12AX7?

Do 12AX7 preamp tubes need to be matched?

Preamp tubes are, in the majority of cases, self-biasing. Therefore, they do not require matching.