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 ...

a very simple op amp circuit with some detail omitted If you ... detail in the schematic symbol above is that there’s no power supply here, but you can guess that it is +/- 15V.

Esoteric’s 30-watt per channel Class A F-01 amplifier is something of a left-field choice but can sound magical when matched ...

You need a TVS diode because many voltage regulators do not have the ability to sink current, nor can they respond fast ...

Noise analysis is very important in many analog and RF receiver circuit design since the received signals are very weak. In case of differential amplifiers the noise appear as common mode signal and ...

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 ...

When they were launched back in 1967, the innovative circuit ... and an upgraded power supply, delivering all the detail in a vinyl record’s grooves. The dedicated headphone amp is a completely ...

Audiolab has been known for its highly regarded integrated amplifiers ... low-noise circuit with precise RIAA equalization, input filtering and an upgraded power supply, all the detail lurking ...