The power amplifier project obtained its A4 name due to the four separate power amplifiers contained in this unit which offers great flexibility using different modes of operation. Four LM4789 are ...

A hi-fi amplifier used to be a rite of passage for the home electronic constructor, back in the days when consumer electronics was still dominated by analogue entertainment. It’s unusual then to see ...

When you think of amplifiers, you’re probably thinking of audio or some big ‘ol power amps for radios. While interesting, there are some very interesting ‘alternative’ amplifiers floating around ...

The K-502 tube amplifier kit was designed as a piece of pine that can be mounted on an amplifier although it would be more suitable to put it in a box. The K-502 tube amplifier kit was designed as a ...