Ads
related to: electret microphone polarity
Search results
Results From The WOW.Com Content Network
An electret microphone is a microphone ... Electrets are commonly made by first melting a suitable dielectric material such as a plastic or wax that contains polar ...
The polar molecules of the dielectric align themselves to the direction of the electric field, producing a dipole electret with a permanent polarization. Modern electrets are sometimes made by embedding excess charges into a highly insulating dielectric, e.g. using an electron beam , corona discharge , injection from an electron gun , electric ...
First patent on foil electret microphone by G. M. Sessler et al. (pages 1 to 3) An electret microphone is a type of condenser microphone invented by Gerhard Sessler and Jim West at Bell laboratories in 1962. [24] The externally applied charge used for a conventional condenser microphone is replaced by a permanent charge in an electret material.
The microphone came with a switch to tailor the mid-bass response, attenuating frequencies below 400 Hz with a mild high-pass filter. Like all premium microphones made by EV, it used EV's 1930s humbucker method of reducing electromagnetic interference by wiring a humbucking coil out of polarity with the microphone element coil. The microphone's ...
Sennheiser MD 441. The Sennheiser MD 441 is a large-diaphragm dynamic microphone introduced by Sennheiser in 1971. [1] Following the introduction of the MD 21 in 1953 and the Sennheiser MD 421 in 1960, the MD 441 was widely-used for radio and television reporting and was often seen as part of political appearances around the world.
The Coles 4038 is a ribbon microphone produced by Coles Electroacoustics. The microphone was designed and patented by the BBC in the 1950s [1] and was originally known as the STC 4038. [2] The sound of the microphone has been described as "British" with a "BBC politeness", [3] and its appearance has been likened to that of a waffle iron. [4]
In the most recent video, Magdanz described his visit to the newest grocery store in Kotzebue, recording some food and drink prices there.. Butter was on sale for $8.14 per pound, a quart of ...
The Shure Beta 58A microphone. The Shure Beta 58A is a rugged dynamic supercardioid microphone developed by Shure Incorporated specifically for live vocal performances. [1] The microphone won a TEC Award in 1996 for outstanding microphone technology. [2] Shure's Beta series of microphones was introduced in 1989.