Electret microphones are capable of high-quality output, and are prized for their smooth frequency response. However, unlike other types, they can’t simply be plugged directly into a mixing desk.

A friend of mine is producing a series of HOWTO videos for an open source project, and discovered that he needed a better ...

Here is an Electret Condenser Microphone – ECM preamplifier circuit based on ultra low noise BC650C transistors. Due to difficulty of finding BC650C, instead of them, as you can see in the schematic, ...

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 ...

Microphones can be found just about everywhere nowadays. Most people reading this article will have a cell phone in their pocket which uses a microphone to transmit an audio signal to other phones all ...

In the Aug. 10 issue, we wrote about the centennial of condenser microphones. Let’s look more closely at electret condenser microphones. Fig. 1: The few components that make up an electret microphone.

There are different kinds of microphones, but they all do about the same thing, which is to turn acoustic sounds into electronic signals that can be amplified, modified, or recorded. When you speak ...