| 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...
| 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...
| This circuit senses AC audio voltage supplied to the car-radio loudspeakers and displays it as power using a LED bar graph, achieving at the...
| This six-channel amplifier has been designed to fit into either an ISA or PCI slot, with its supply derived from the PC. In conjunction with...
| A pan pot enables a monophonic input signal to be positioned where desired between the stereo loudspeakers. When P1 (see diagram) is in...
| Owing to their relatively low rating, tweeters (high-frequency loudspeakers) form the weak link in an audio system. If the volume i...
| The indicator is intended primarily heavy-duty PA (Public Address) for loudspeakers. Connected simply to the loudspeaker input terminals....
| This article describes a completely updated and higher-power version of the 'Medium power a.f. amplifier' published in this magazine just...
| If a d.c. coupled output amplifier breaks down during operation, the loudspeakers, particularly the bass units, are at risk. The bass par...
| Amplifiers that have no capacitor at their output may, in case of a defect, apply a direct voltage to the loudspeakers and this can destr...
| This little circuit, designed and marketed as a kit by ELV, provides a visual warning when the maximum drive power to a loudspeaker is...