MIL-PRF-26542E, PERFORMANCE SPECIFICATION: MICROPHONE, AND MICROPHONE ASSEMBLIES, DYNAMIC GENERAL SPECIFICATION FOR (30-MAY-1997) [SUPERSEDING MIL-M-26542]

MIL-PRF-26542E, PERFORMANCE SPECIFICATION: MICROPHONE, AND MICROPHONE ASSEMBLIES, DYNAMIC GENERAL SPECIFICATION FOR (30-MAY-1997) [SUPERSEDING MIL-M-26542]., This specification covers the general requirements for moving coil, noise-canceling dynamic microphones. The products described herein are used in oxygen and gas-masks, and headset-microphones (boom-mounted and protective-shield mounted). These parts provide communications within moderate to high noise environments, at ground level and altitude, as specified, and meet established United States Air Force sensitivity standards (see 6.1).