1-07-1997 | The tester is intended to determine the state of charge of a N'Cd or NiMH battery precisely. Also, the counter module linked to it it en...

1-05-1997 | The battery-powered preamplifier published in our February 1997 issue must have made many of our readers long for a matching power amplifie...

1-01-1997 | This preamplifier is intended for those audio enthusiasts who are interested in only the best. Its discrete design produces distortion...

1-12-1996 | The converter described in this article is, technically speaking, state-of-the-art as far as analogue-todigital conversion is concerne...

1-12-1996 | The delay line makes possible an improvernent of the surround-sound decoder published in this magazine in early 1995.

1-12-1996 | The characteristics of a loudspeaker cannot be derermined (outside a special test room) with a sinusoidal signal, since various frequenc...

1-12-1996 | To determine whether two capacitances are equal or not, the comparator measures the change in period of a triangular oscillator into who...

1-12-1996 | Remote control transmitters come in countless different shapes and for many different functions. They are also so cheap and beautifully...

1-12-1996 | There is a growing tendency to fit audio equipmem with electronie volume conirols (virtually always remote controlled). This consists of...

1-12-1996 | The design, consisting of an electric microphone, amplifier, and moving-coil meter, arranges for the meter to give a reading that is lin...