More about phone (291)

1-12-1998 | Most soundcards have a ‘line’ input and one for an electret (condenser) microphone. To be able to connect an inductive tape-recorder head...

1-07-1998 | The preamplifier is intended for use with dynamic (moving coil – MC) microphones with an impedance up to 200 Ω and balanced terminals. I...

1-07-1998 | The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...

1-07-1998 | To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...

1-04-1998 | In this article we answer the questions of our readers.

1-01-1998 | There are occasions when it is desirable or even essential for a stereo microphone to be connected to a personal computer. Unfortunately,...

1-01-1998 | Although the electricity supply will rarely fail in most of the UK, unexpected power cuts lasting several hours are not uncommon in ma...

1-11-1997 | The magnification of very weak audio-frequency signals is and remains a precarious affair. That is why a microphone amplifier good en...

1-10-1997 | Here we show the newest products on the electrical business.

1-10-1997 | Directional microphones such as used by, say, outdoor-recording specialists and bird-watchers, are invariably provided with a conspic...