More about audio (576)

1-07-1991 | Noticing that the projector is running out of step with the audio programme is pretty embarrassing when your friends and relatives have...

1-07-1991 | This little circuit switches off the equipment in your audio rack when this has not produced sound for some time.

1-06-1991 | Phase meters are rare instruments, even in the laboratory or workshop of audio and hi-fi engineers and enthusiasts. Perhaps that is becaus...

1-06-1991 | APPLICATION NOTES The contents. of this article are based on information obtained from manufacturers in the electrical and electronics indus...

1-03-1991 | The TDA8440 from Philips Components is a versatile video/audio switch, intended to be used in colour TV receivers equipped with an auxiliar...

1-12-1990 | While setting up and connecting audio equipment it is important to have all the units - microphone, loudspeakers and everything in between...

1-12-1990 | This highly sensitive movement detector is designed from bipolar transistors and draws a current of only 0.3 mA during quiescent operatio...

1-12-1990 | The design described here enables the selection of up to eight inputs of a prearnplifier without any switch clicks or other noises. It ma...

1-12-1990 | The SSM-2016 differential audio preamplifier from PMI is primarily intended for am plifying signals front low-irnped ance sources (

1-10-1990 | For the many readers who do not need hundreds of watts output from their audio hi-fi installation here is a modest 60-watt a.f. amplifier...