Kenwood KMC-66 User manual

KMC-66
Outline and feature
・This product is a successor to the KMC-36 series microphones.
・Electret condenser microphone is used.
・8-pin modular jack is used for connecting to the transceiver and connecting to the microphone.
・This product meets IP54 dustproof and IP55 waterproof performance.
Specifications
Microphone impedance (ECM unit)………..….. 2.2 kohm (Max)
Microphone Sensitivity…………………………. -46dB+/-5dB at 1kHz (0dB=1V/Pa)
Dimensions
(Projections included/ cable excluded)…..….... W 65.9 x H 89.9 X D 45.9 mm (W 2.59 x H 3.54 x D 1.81 inches)
Weight ……………………………………….…… 275 g (9.7 oz) Cable included
195 g (6.9 oz) Cable excluded
Operating temperature range…….……………. -30°C (-22°F) to +60°C (+140°F)
COPYRIGHT© 2020 JVCKENWOOD Corporation
KEYPAD MICROPHONE

External appearance drawing
Hot microphone modification procedure
(1) Removing the curl cable
350
65.9
45.9
89.9
60.6
100
100
HOOK
Modular jack can be seen by shifting the rubber
of the curl cable.
Modular jack
Hold down the modular jack arrow part
and pull it out.
(2) Removing the MAIN PCB
Disassemble as shown and remove the MAIN PCB
in the direction of the arrow.
2 (No.RQ232<Rev.003>)

(3) Modification of the MAIN PCB
RemovetheR54 (10 kohm) to activate the Hot Microphone Function.
Hot Microphone Function
In the Hot microphone state, only microphones whose PTT switch is pressed can send modulation signals
in the environment in which several microphones are connected to the transceiver in parallel.
In the Normal microphone state, if the PTT switch on one of the microphones is pressed, modulation signals
are sent from all microphones.
Spare parts
Part number Part name
E3A-0611-10 CURL CABLE ASSY
J1K-0856-00 HOLDER
CURL CABLE ASSY
HOLDER
(Screws are included with this HOLDER.)
R54
A B
R54
A B
R54