J
K
G
C
A
B
H
E
D
F
MK:437 & MK:438 Outdoor Microphone
Page 9
MK:438 Outdoor Microphone System Connections
The MK:438 Outdoor Microphone system can be used to provide an electrical signal to
other noise measurement or recording equipment other than that supplied by Cirrus
Research plc.
The information below specifies the connections and power supply required by the
MK:438. Please note that the MK:438 is supplied
without
a microphone capsule unless
specified. The output voltage provided by the MK:438 will be determined by the
sensitivity of the microphone capsule used. The Class+ ½” Prepolarised Capsules from
Cirrus Research plc are suitable for use with the MK:438.
Connections
The output socket on the MK:438 is an Amphenol 10 Way Bayonet Connector Type
62-GB-12E12-10P
. Connection to this socket should be made using a Cable Socket
Type
62GB-56T-12-10S
with a Cable Clamp Type
62GB-585-12-10S.
A 10m ZL:410 Cable is supplied as standard with the MK:438. This cable may be
unterminated and uses the colours specified below.
Signal
Pin
Colour
Connect to
+V
A
Red
+15V
Signal Out
B
Blue
Signal Out
Signal Ground
C
Braid/Screen
0V
Control Line
D
Black
+15V
-V
E
Grey
-15V
+VH
F
Brown
+15V
not used
G
Turquoise
Signal Ground
H
Pink
0V
Signal Ground
J
Yellow
0V
Signal Ground
K
Orange
0V
not used
Green
not used
Cyan
Power Supply
The MK:438 Outdoor Microphone requires the following power supply:
A
+15v
A
-15v
A
0v (Ground)
