All items tagged with monitor and audio (3)

1-04-1993 | By the middle of September 1992, the number of Sporadic-E openings dwindled dramatically, indicating that the main season was almost over...

1-12-1985 | audio-controlled loudspeaker monitor What started out simply as a universal audio-controlled switch for an active loudspeaker has grown into...

1-03-1983 | audio traffic light elektor march 1983 What has a traffic light got to do with audio? Nothing, really, but this particular circuit drives th...