| In response to popular demand, here, at last is a treble and rumble filter that can be used in irtually any hi-fi system to get rid of...
| In response to popular demand, here, at last is a treble and rumble filter that can be used in irtually any hi-fi system to get rid of...
| Few things can so hold the attention of the serious audiophile as do loudspeakers. This applies with particular strength to those whose...
| In November 1976 the circuit was described of an ultrasonic intruder alarm, the `Al bar`. By slightly mis-using the ultrasonic transduc...
| Chomerics` 4900 conductive paint is a one-component, air-drying coating which will provide effective EMI attenuation when applied in a...
| Visitors to last year`s Hi-Fi exhibition in Duesseldorf, W-Germany, will have noticed something special on the Elektor stand: t...
| Model car race tracks have been popular for ,. , many years. However, all of the commercially available tracks have the disad- vanta...
| The first part of this article dealt with the general operating principles of the morse decoder. In this part the complete circuit is co...
| The `Digisplay` circuit described in E 13 (May 1976, p.538) has proved to be more popular than we had expected. Whenever...
| VU (Volume Unit) meters and PPMs (Peak Programme Meters) are used widely in the recording industry and by the amateur to monitor audi...