I got to thinking about this after seeing the Aopen tube MB. After that I started looking at building tube amp threads there was 1 or 2. What I gathered was that tube amps put out good sound. I still ...

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your guitar or a ...