M-29~U

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

Related Files

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

MIL-HDBK-173

DEPARTMENT OF THE ARMY TECHNICAL MANUAL 11-487M

MILITARY STANDARDIZATION HANDBOOK

AUDIO ,EQUIPMENT

24 June 1966