MIL-PRF-26542 Microphone, And Microphone Assemblies, Dynamic General Specification ForThis 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 \(see 6.1\).

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