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2. Microphone - Wikipedia

   en.wikipedia.org/wiki/Microphone

   The carbon microphone was critical in the development of telephony, broadcasting and the recording industries. [13] Thomas Edison refined the carbon microphone into his carbon-button transmitter of 1886. [10] [14] This microphone was employed at the first radio broadcast ever, a performance at the New York Metropolitan Opera House in 1910. [15]

3. Shure SM7 - Wikipedia

   en.wikipedia.org/wiki/Shure_SM7

   Shure designed the Unidyne microphone element in 1939, then greatly improved it in 1959, based on research and development by Shure engineer Ernie Seeler. The smaller Unidyne III appeared six years later, designed by Seeler to be the transducer inside the SM series of microphones, including the popular SM56, SM57 and SM58 , used live on stage ...

4. Ribbon microphone - Wikipedia

   en.wikipedia.org/wiki/Ribbon_microphone

   In 2007, microphones employing ribbon elements made of strong nanomaterials became available, offering orders of magnitude improvement in signal purity and output level. [18] The ribbon microphone is an electrically simple design with no active circuitry; it is possible to build one from a kit, or with basic tools and materials. [19]

5. Wireless microphone - Wikipedia

   en.wikipedia.org/wiki/Wireless_microphone

   A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

6. Carbon microphone - Wikipedia

   en.wikipedia.org/wiki/Carbon_microphone

   The carbon microphone is the direct prototype of today's microphones and was critical in the development of telephony, broadcasting and the recording industries. [8] Later, carbon granules were used between carbon buttons. Carbon microphones were widely used in telephones from 1890 until the 1980s. [7]

7. Astatic Corporation - Wikipedia

   en.wikipedia.org/wiki/Astatic_Corporation

   There were many variations in different colors such as the JT-30-C, W-30, 31, JT-31, JT-40, JT-50, and Model A. It is one of the most popular microphones for blues harp players. [6] Production of the mic continued in different versions such as the JT-30VC and the CAD HM-50 that were marketed to harmonica players before being discontinued in 1999.