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 ...

[Simon] wrote in to tell us about a headphone tube amp that he just ... he doesn’t show the case and amp in an assembled state. If you’re interested in building one of these, [Simon] made ...

The latter appealed to tinkering audiophiles building their own amplifiers ... the Dynaco ST-70 was a low-powered tube amp.