H-29/U

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Carbon microphone M-29B/U is a low impedance unit with a noise canceling feature and is suitable for use in places where high level background noises are encountered. This item is immersion resistant.

The unit consists of an M-51/UR microphone element mounted in a holder which contains a push- to-talk switch. The switch may also be used to operate external circuitry. It has a coiled retractable cord which is extendable to five feet.

CONSISTS OF
1 Microphone, Carbon, M-29B/U
Including
1 Microphone Cover, CW-292/U
1 Handle
1 Five-conductor retractable cord with a ten-pin connector
1 Microphone Unit M-51/UR


Technical Description

Operating Current
50 milliamperes
Nominal Impedance
60 ohms at 1, 000 cps
Frequency Range
300 to 4, 000 cps


Images

M-29-U.png

M-29B/U

M-29-U pinout.png

Related Files

Adobe_PDF_icon.png Specification MIL-DTL-11193E
This specification covers two types of hand-held, noise-canceling microphone with an impedance of 40 to 100 ohms, designated as ::Microphone M-29/U and Microphone M-52/U


Adobe_PDF_icon.png MIL-HDBK-173
DEPARTMENT OF THE ARMY TECHNICAL MANUAL 11-487M
MILITARY STANDARDIZATION HANDBOOK
AUDIO ,EQUIPMENT
24 June 1966