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MIL-M-13189


Microphone-Elements, Carbon and Earphone Elements, Magnetic (for Telephone and Radio Use) FSC: 5965

This specification covers requirements for a carbon microphone element and magnetic earphone elements for use in specific telephone and radio applications. The carbon microphone element has a nominal impedance of 28 ohms. The magnetic earphone elements have impedances of 128, 256 or 3,000 ohms, plus and/or minus 15 percent, as required for intended application. This specification is intended for use in design, construction and testing of carbon microphone elements and magnetic earphone elements used in specific telephone and radio applications.



Points of Contact:

Sound Group Phone: 614-692-YYYY Email: Sound@dla.mil
Document Downloads

Microphone-Elements, Carbon and Earphone Elements, Magnetic (for Telephone and Radio Use) Revision: A, Dated: 27 July 1954 File Name: mil13189.pdf, File Size: 1205 kb


Microphone-Elements, Carbon and Earphone Elements, Magnetic (for Telephone and Radio Use) (Inactivation Notice)
Dated: 30 March 1999
File name: mil13189not3.pdf, File Size: 3 kb

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