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 ...

It’s not every day we see the results of someone putting their own spin on a vintage tube amp, but that’s exactly what [lens42] did in creating the McIntosh 217, created as a “mini” version of the ...

A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building one ...