Meet the Fen-tone - a compact, pencil-style ribbon mic that brings 1950s tone into the modern studio. With a custom Japanese ribbon, Neodymium magnet, CineMag transformer, and built-in 26 dB preamp, ...

The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA ...

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, ...

DPA Microphones' HMA5000 two-channel high-voltage microphone amplifier provides extended dynamic headroom of 10dB more. The signal path is transformerless, allowing a frequency range from 10Hz to ...

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg ...

Pete (AC7ZL) wrote in to tell us about his latest project: building a flat response microphone and channel amplifier. You may remember his previous project: building a crystal radio from modern junk.