The Ultimate Guide to Tube Rolling: 12AU7

the ultimate guide to tube-rolling: 12AU7

A medium-gain small-signal tube

Small signal tubes: 12AU7 / ECC82

A medium-gain dual triode tube with many names for identical variants, or others that are designed for certain characteristics such as long life. They are still in production, made by New Sensor in Russia, Shuguang in China, and JJ Electronic in Slovakia.

Tung-Sol 12AU7W / 6189