[Dane] built this excellent home theater pre-amplifier. He used [Mark Hennesy]’s pre-amp design to start with, and added selectable XLR, RCA, SPDIF and even USB audio inputs. Discrete inputs ...

A stereo amplifier is the beating heart of any hi-fi separates ... efficient option of a one-box integrated amplifier as opposed to a pre/power pairing (where preamp and power amp duties are housed in ...

The most popular of the bunch was the 15-watt 1482, which featured a vertically mounted chassis, a 12-inch speaker, two 6V6 power tubes, two 12AX7 preamp tubes and a built ... remember that ...

At the extreme budget end of tube audio lie single-tube amplifiers usually using very cheap small-signal pentodes. They’ve appeared here before in various guises, and a fitting addition to those ...

The analogue information passing between your source (be it a CD player, turntable or music streamer) and your stereo amplifier is rather complex – and there is an awful lot of it. Because of that, ...