Kenwood MC-50 - User Manual

MC-S0O
INSTRUCTIONS MANUAL
The MC-50 has been designed expressly for amateur
radio operation as a high-performance microphone, and
will match all Trio-Kenwood Amateur Equipment. A
splendid addition to your shack, the base unit ‘Piano
key”’ switches provide easy, smooth switching between
transmit and receive. The base is die-cast zinc, providing
the weight necessary to make the MC-50 stay put even
at contest speeds.
SPECIFICATIONS .
Configuration Dynamic microphone with
push-to-talk circuit.
Element Moving coil type, unidirec-
tional.
Impedance Dual ratings: Hi-Z 50k ohm
+ 30% (at 1000Hz)
Lo-Z 600 ohm + 30%
(at 1000Hz)
Selectable: Connector “‘A”’
switching
Sensitivity —56dB + 3dB/50 k ohm
—76dB + 3dB/600 ohm
(OdB=1V/ybar, 1000Hz)
Frequency response 150Hz to 10KHz (—6dB)
Recommended Operation
Distance to mic.: 10CM (4’’) Minimum Distance
OPERATION
The ‘‘Piano key’’ switches provide flexibility in send-
receive switching. There are two keys; one for push-to-
talk, and the other for Lock Key function. To lock the
transmitter ON, press the Lock key. Pressing again re-
turns the system to receive.
INSTALLATION
Impedance Selection.
The microphone mounted male connector A is imprinted
with a RED H (Hi-Z) and a BLACK L (Lo-Z).
For Hand Held operation, align the Coil Cord connector
B’ with the appropriate H or L marker. Use the Slide
Switch for P.T.T. operation.
For Base mounted operation, align connector A’ RED
marker with the appropriate H or L marker. When Base-
mounted, the Microphone Slide P.T.T. Switch is in-
operative-use the Key Switches.
Join the Coil Cord 5 pin female connector B’ to the Base
5 pin male connector B so the RED markers align.
Connect the Coil Cord 4 pin female connector to your
transceiver.
A product of
TRIO-KENWOOD CORPORATION
6-17. 3-chome. Aobada:. Meguro-ku. Tokyo 153. Japan
Distributed by
TRIO-KENWOOD COMMUNICATIONS, INC.
1111.West Walnut Street. Compton. California, 90220, U.S
Q@KENWOOD
HAM CARDIOID DYNAMIC MICROPHONE
P.T.T. Slide Switch
(For Hand-Held Operation)
Microphone
Connector A
Connector A’
Base
Pete
Connector B Switch
Connector B’ Ss
Microphone
Brown SOK 2 Yel
Base Unit Inner conductor
o=— Red mark
Coil Cord
Inner conductor seca Audio output
Shield
no connector
Red mark
Connector
B’ =
Coil cord
Relay
circuit
Schematic and Connections
Distributed by
TRIO-KENWOOD(AUSTRALIA)PTY. LTD.
30 Whiting Street, Artarmon, Sydney N S W Australia 2064
TRIO-KENWOOD COMMUNICATIONS, GmbH
D-6374 Steinbach TS Industriestrasse. BA West Germany
©8487 PRINTED IN JAPAN B50-1280-10

Summary

MC-50 Microphone Specifications

Microphone Configuration and Element Type

Details the microphone's dynamic, moving coil, unidirectional element.

Impedance and Sensitivity Ratings

Specifies dual impedance levels (Hi-Z/Lo-Z) and corresponding sensitivity values.

Frequency Response and Operation Distance

Covers the microphone's frequency range and recommended usage distance.

MC-50 Microphone Operation

Piano Key Switch Functions

Explains the function of the push-to-talk and lock keys for send-receive switching.

MC-50 Microphone Installation

Impedance Selection and Connection

Guides on aligning connectors for Hi-Z or Lo-Z impedance selection.

Coil Cord and Transceiver Hookup

Details connecting the coil cord to the base unit and then to the transceiver.

Kenwood MC-50 Specifications