24
G.R.A.S.
RA0
1
92
Acti
v
e
Actuator
Stand
P
olarization
P
reamp.
phone
Inser
t
Piston-
Extended
R
ange
F
requency
P
reamp.
Test
Input
P
reamp.
P
reamp.
Input
Adapter
(TEDS)
Signal
Excitation
F
rom
To
Signals
Control
R
A0192 Switch Bo
x
12AQ P
ower Mo
dule
14AA Act
uator Suppl
y
Frequenc
y Calibration Equipment
G
.R
.A
.S
.
R
A
0
0
1
4
Level Calibration Equipment
42AP P
is
tonphone in
calibr
ation s
tand
Electros
tatic Act
uator and
Act
uator Stand
PCI: Electr
ical Conne
ctions for Calibration of Microphones (Ex
t. Pol. and P
rep
ol.)
G.R.A.S.
Type xxxx
Polar
ization and Suppl
y V
o
lt
a
g
e
Signal Switching
P
ower
G.R.A.S.
Actuator
Supply
Ty
pe
1
4AA
A
C
Output
+20
0VDC
A
C
Output
Max.
1Vrms
+80
0VDC
A
C
Output
On
GND
A
C
Input
Overload
S
erial
N
o.
XXXXX
RS232
Ext.
Supply
8-1
8VDC
Output
CCP
Input
S
ysChec
k
Channel
2
Channel
1
+
Mic.
Input
1
5
11
10
10
11
13
13
12
15
15
12
14
14
4
PCI-bas
ed Sy
s
tem Control and D
a
ta
Acquisition
PC Controller
NI PCI - 4461
24-bit 204.8 kS/s
NI PCI - 6503
Digital I/O
Sys
tem Controller HW1000
4
AO1
AO0
AI1
AI0
Re
ar
8
6
7
2
1
VG
A
5
3
8
AO0
AO1
AI0
AI1
7
COM
9
6
9
G.R.A.S.
Pistonphone