He’s building his own linear amplifiers on what looks like sheets of MDF. This is an evolving design and the two videos ... that there’s more than enough power to drive a long-range transmitter.

When reaching for a power supply design it’s normal here ... s dual voltage PSU board for audio amplifiers is worth a second look. This type of linear power supply has an extremely simple ...

Here comes a new compact power amplifier that isn’t made in China: Pro-Ject Audio Systems’ Amp Box RS2 is made in Europe; it ...