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MIL-H-83511 1978 Edition, April 4, 1978
Complete Document
Superseded By: MIL-DTL-83511
HEADSET - MICROPHONE AND HEADSET - ELECTRICAL (MEDIUM NOISE ATTENUATION, HEARING PROTECTIVE)
Includes all amendments and changes through Supplement S1, Amendment 3, October 15, 1999
Additional Comments: RENUMBERED AS MIL-DTL-83511
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This specification covers headsets and headset-microphone assemblies intended for use in medium ambient noise level environments of 85-105 dBA SPL (Sound Pressure Level). These headset-microphone assemblies shall use dynamic earphones of the moving coil type that transform electrical energy into acoustical energy and shall be a complete assembly including headband, earphone(s) mounted in rigid earcups, with cord assemblies to meet requirements of various military service activities. The assemblies shall include, as required, a noise cancelling microphone and boom.