so [ElectroBoy]’s dual voltage PSU board for audio amplifiers is worth a second look. This type of linear power supply has an extremely simple circuit consisting of a transformer, bridge ...

There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work. Some amplifiers are a mix of the above. For example, some masthead amplifiers ...

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 ...