This is another partnership with Pickett Furniture . The circuit uses a pretty standard 12AX7 based gain stage. It then uses a FET source...

The DSHA-2 Headphone amp is almost ready for production, so I thought I'd post a few pictures.

All of these little stories seem to be the same – I tried to build some circuit, it went badly, and them some little change made i...

In Part 1 of this article, I detailed the theoretical background to the design. This part will detail the practical build process of...