[METRIC]
A-A-50603
11 February 1993
SUPERSEDING
MIL-L-22250(SHIPS)
18 November 1959
COMMERCIAL ITEM DESCRIPTION
LOUDSPEAKER- MICROPHONE
(MEGAPHONE, ELECTRONIC, PORTABLE)
The General Services Administration has authorized the use of this commercial item description as a replacement for MIL-L-22250A(SH) which is cancelled.
Abstract. This Commercial Item Description covers requirements for a handheld electronic megaphone, which is rugged, lightweight, portable, and amplifies audio frequencies for transmitting intelligible speech over distances in excess of200 meters through high ambient noise levels (85 db). This description covers commercial off-the-shelf megaphone equipment with minor modifications essential to adapt equipment for Military use.
Salient characteristics.
1. Integral Components. The megaphone shall consist of a microphone and housing, loudspeaker assembly, gain control, amplifier, battery compartment and operating handle. In addition the megaphone may include one or more of the following options: hand held microphone, spotlight, siren, whistle, auxiliary vehicle power adapter, or shoulder strap.
2. Enclosure. All megaphones shall be moisture and splash proof as well, as corrosion resistant.
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Beneficial comments, recommendations, additions, deletions, clarification, etc. and any other data which may improve this document should be sent by letter to: Commander, Naval Sea Systems Command, Attn: 05Q42, 2531 National Center Bldg. 3, Washington, DC 20362-5160. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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