Can you use a 12AT7 in place of an 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.

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.

What’s the difference between 12AX7 and 12AT7?

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.

What’s the difference between a 12AX7 and a 12bz7?

Votage isn’t really at issue here, as the 12BZ7 operates at the same voltage as 12AX7. The 12BZ7 has twice the transconductance, but half the plate resistance of the 12AX7 spec. This still leaves it at roughly the same amplification factor.

Which is better 12AX7 or 12AU7 tube shootout?

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?

Which is taller a 12bh7a or a 12AU7?

The 12BH7A is also ~3/8″ taller than a 12AU7, and draws twice the heater current (150mA more) than the 12AU7. It also has slightly less plate resistance, with slightly higher transconductance, but near equivalent amplification factor of the 12AU7.

Which is better a 12BH7 or a 6CG7?

The 12BH7 can lend a wonderful life to the tone that sounds great for jazz or vocals. For audio listening, this tube can temper the harshness of CD’s. There is, however, a wider variation in the sound of 12BH7s than 6CG7s, so some tube selection or rolling is in order.