If you are one that sets the bias on your multi-tubed amplifer the Bias Buddy is for you.
The Tubes4HiFi ST-70 amplifier project. Where it all begins. This is a build of the upgraded Dynaco ST-70 with 60 watts/channel.
This is the EZ125 Amplifier project. It’s a quad KT88 based amp that is driven by 6SN7’s
This project is a complete redo on a pair of OLD Dynaco MkIII (MK3) amplifiers. They were completely re-done with almost all parts new.