G.R.A.S. RA0245 User manual

www.gras.dk
Revision 24 May 2013
Instruction Manual
RA0245 Array Microphone Holder

2
24 May 2013
Mounting and Assembling the RA0245 Array Microphone Holder
Delivered Items
RA0245 Array Microphone Holder, consisting of Front part, Stop Washer, Body Part, and a 3
mm screw.
Mounting the Microphone Holder
How to mount the holder is shown in the illustrations below.
Before mounting the holder, you must ensure that the hole is dimensioned and chamfered cor-
rectly. The mounting hole must be M3, with a standard M3 thread. The hole must be chamfered
1 x 45° to ensure that the Holder body can be secured firmly to the Array rail.
Thread for holder front
M3 threaded hole.
9 mm deep, cham-
fered 1 x 45°
Array rail
M3 screw for mountiung the holder body
Holder body
The underside of holder body
1 – Mount the holder on the rail
Fig. 1. Mounting the Holder Body
2 – Slide the cable through the holder
Fig. 2. Sliding the cable through the holder

3
24 May 2013
WEEE directive:
2002/96/EC
CE marking directive:
93/68/EEC
Manufactured to conform with:
RoHS directive:
2002/95/EC
3 – Slide the washer over the preamplifier thread
MicroDot Stik
Preamplifier
Stop Washer Thread for microdot
cable
Fig. 3. Sliding the washer over preamplfier thread
MicroDot Stik
4 – Mount the cable and tighten the cable screw
Protective cap for
microphone
connection
Cable screw
Fig. 4. Tightening the cable onto the preamplifier
5 – Mount the front of the holder
MicroDot Stik
Thread for front partFront part with thread inside
Array rail
Fig. 5. Mounting the front of the holder
MicroDot Stik
GR0917
GR0924
GR1440B
RA0045
26AS
45EA
46BP
GR1153
40AG
GS0158
GR0010
46BD 1
2
43
5
L
B-2 B-1
02010
01020
J
6 – Remove the protective cap and mount the microphpone
Remove protective cap Screw on the microphone
Fig. 6. Mounting the microphone onto the preamplifier