Kenwood MC-60A User Manual
COMMUNICATIONS
MICROPHONE
MC-60A
||ТОМ»*КР
CX4.4)FF STBY SwKh
INSTRUCTION MANUAL
■ FEATURES
Th« MC-60A microphone ii designed expressly for use with
youi »mateur communication system. It provides excellent
oerformanoe when used v/ith any KENWOOD transceiver,
thereby upgrading your existing system.
The zinc die-cast base offers high stability, and is complete
with a featheT'ioudt PTT sv/itch. rocker UP/DOWN switch,
an impedance selector switch and a builc-irs preamplifier.
NOTE: For UP/DOV/N switch operation, refer to your
transceiver's manual.
CAUTION:
1. The microphone is constructed of precision parts. Do not
open the microphone, as it may result in serious damage.
2. The microphorse is sensitive to shock and vibration.
Treat it gantly.
■ INSTALLATION
1. Battery Installation IFig. 2)
1. Remove (our screws as shovm.
2. Install tvro alkaline AA cells (not NiCdl. Observe
polarity.
3. Reassemble base unit.
NOTE: 1. Radios vrith power available at the mic con
nector (for autopaich microphones) will not
require batteries.
2. The preamp on/off switch is located on the
underside of the base unit. The preamp is on
in the forward switch position.
•UP/DOV/tt Swiuli
СОППМ1 lo
RMio M<c
TiumintI
We.Prtamp Sw.i<i<
lUnOc'tice}
LOCK Swiuh
PTT SwiKti
■ OPERATION
ТЪе МС-бОА is equipped with a PTT sv/itch tor easy transmit/
receive changirover. The PTT switch can be locked, if desired
by pressing the Lock key. To unlock the switch, simply
^ess the Lock key опое again. The Mic on/off. Lock, ar>d
PTT switches are all in parallel.
• Connection
To operate the microphone without using the stand, con
nect the retractile cord directly to the microphone, artd
use the slide-switch on the microphone (or transmit/
receive changeover.
• Impedance selection
The microphone impedance is selectable betv^een б00:г
and &0k!2 by using the slide-switch on the microphone
regardless of v/hether the stand is used. Most Trio-
Kenwood HF products are SOkn. Some will operate from
500-50kn. All VHF and UHF mobile radios are 500ti
impedance.
2. Connection to your transceiver.
1. Slide the microphone into the plastic bracket.
2. Conrseci the short base mounted cable to the rear ol
the microphone.
3. Conrveci the retractile cord from the base to the
transceiver.
4. The microphone may also be used separate from the
base unit, by connecting the retractile cord directly
to the mic. However, the preamp is located in the
base unit. Preamped operation is not possible with a
direct trartsceiver hookup.
5. The MC-60A is supplied with a starvdard PG-4C 6 pin
to 8 pin retractile cord, for radios with a four pin mic
connector, use a PG-4A {4 pin to 6 pin) option cord.
For radios with a six pin mic connector, use a PG--16
{6 pin to 8 pin) option cord.
UP/OOWN Switch
The UP/OOWN swUch on the b«e is used to select the
transceiver's operaiirsy frequency.
Microphone Preemp
Tins microphone may be used v/ith any Tiio*Kenwood
r^dio. It i$ intended especially for FM and SS6 mobile
radios. The preamp is controlled by the bottom mounted
switch on the base unit. Sliding the sv/itch forward places
the preamp on. Sliding the switch to the rear bypasses the
preamp and disconrxicis the batteries. V/iih the preamp
switch on. power is always on so the microphone may be
used v/iih VOX operated equipment.
MOTE: To conserve battery power, turn the preamp off
when not in use. (The amplifiers draw approxi
mately 1 ma.l
SPECIFrCATIONS
Type;
Element:
Impedance;
Sensitivity:
Microphone
Preamp out
Preamp in
Ftec|u«ricy response:
Microphone, or
f^teamp olf 150 Hz - >0 kHz 1-6 dB>
freamp in 200 Hz - 7 kHz (-6 dB)
Recommended operating
distiirice to mic.: 10 cm 14"» minimum
Communication type dynamic micro
phone with PTT Circuit.
Moving coil type, unidirectional
Dual impedance (lOOO K2>
50 knt 30%. 500 ft± 30%
slide switch selectable
10 dB - IV/p BAR. 1000 Hz»
-54.5 d8 ± 3d8/S0 HU
-71.0 dB±3dB/500n
-56.0 d8 t 3dB/S0kst
-71.0 dB i 3dB/500{i
-50.5 dB ± 3d8/50ko
-S9.0 d8 t 3d6/500st
KENWOOD CORPORATION
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