Fig. 1: Diagrams from Wente’s 1916 patent application show the condenser microphone in cutaway view. Diaphragm (#6), which is grounded, is stretched only 5/10000th of an inch from the backplate (#7), ...

This article originally appeared in the Feb. 8, 2017, edition of Radio World Engineering Extra and was posted on this website Feb. 9, 2017. If you like this content you should subscribe to Radio World ...

The compact, low-cost condenser mic audio amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts. It can be used as part of intercoms, walkie-talkies, low-power transmitters, ...

The new AKG C104 sits at the entry point of AKG’s recently introduced C-Series lineup, aimed at content creators, podcasters, ...

Same Sky has introduced Microphone Development Kits, each with four detachable evaluation circuits and plated through hole ...

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This diy sound activated lights circuit turns a lamp ON for a short duration when the dog barks (or a relatively strong sound) giving an impression that the occupants have been alerted so it can be ...

The Sennheiser MK4 condenser microphone has a large gold-plated diaphragm and is the perfect studio mic for vocals and voice-overs. In the world of high-end microphones, the kind that are used for ...