| The external appearance of this small module with an LC display almost belies what it has inside: a complete stereo preamplifier and final a...
| The external appearance of this small module with an LC display almost belies what it has inside: a complete stereo preamplifier and final a...
| A minimum of parts is needed to turn a TDA7052 IC into a mini audio amplifier. Here's how.
| In the midst of all the surround-sound and multimedia hype, more and more people are discovering (or rediscovering) the value of a good audi...
| The PWM power stage discussed in the previous instalment (June 2009) can be used perfectly well on its own. But a matching preamplifier with...
| This small pre-amp has both a good sound quality and a simple and flexible control interface thanks to the use of an ATmega8 microcontroller...
| Tubes (thermionic valves) have never departed from the amplified instrument scene and the majority of guitarists, including very young ones,...
| Jeff Macaulay’s excellent single valve ECC82/12AU7 'Hybrid Headphone Amp' (HHA) published in spurred the author to implement some mo...
| In order to be effective, any protection device connected between an audio amplifier output and the speakers needs to connect the load only...
| Nowadays, people who want to play again with the PC Engine machine are faced with a problem of incompatibility of the video signals, as the...
| The RF sweep frequency generator (‘wobbulator’) published in the October 2008 issue of Elektor has a receiver option that allows the instrum...