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RAC 104 • Introduction
1-3
Consumer and professional audio compatibility — Input and
output line level can be set to consumer (-10 dBV) or
professional (+4 dBu).
Rack, furniture, and projector mountability The RAC 104
can be mounted on an optional VersaTools or Universal
rack shelf. Alternatively, it can be mounted under a desk,
podium, or other furniture, or secured to a projector
mount with optional brackets.
RAC 104
ON
INPUTS
OUTPUTS
LINE LEVEL
IN
A
B
A
B
OUT
+4 dBu
-10 dBV
Tx
Rx
RS-232
POWER
12V
0.2A MAX
A
1
2
B
3
4
A
1
2
B
3
4
1
0
0-240V
0
.
3A
5
0-
6
0H
z
REMOTE
L
R
L
R
L
R
L
R
LR
LR
L
R
L
R
INPUTS
OUTPUTS
5
2
1
3
4
A
6
B
S
W 6AV
INPUTS
OUTPUTS
SYNC
IN
1
2
3
4
5
6
A
B
OUT
LI
S
TED
1T23
I
.
T.E
.
C
U S
100
-
24
0V
1.3
A
, 50-6
0Hz
VOL/
MUTE
1
0
V
STANDBY
4
/8
OHM
50W x
2
1
2
LISTED 17TT
A
UDIO/VIDEO
APPARATUS
CLASS 2 WI
RING
HPA 502
C
US
U
S
LEVEL
1
1
2
1
2
LIMITER/
PROTECT
SIGNAL
2
INPUTS
OUTP
UT
REMOTE
0
0
10
0W
V
O
L/MUTE
10V
STAN
DBY
80
H
z
L
(M
O
NO)
R
LISTED 17TT
A
U
DIO/VIDEO
APPARATUS
C
US
U
S
CLASS 2 WIRING
HPA 1001-70V
OUTPUT
70V
LEVEL
HFP
INPUTS
R
EMOTE
0
LIMITER/
PROTECT
SIGNAL
100-24
0V
1.3
A
,
5
0
-60Hz
100W
V
OL/MUTE
10V
STAND
BY
8
0
Hz
L
(MONO
)
R
LISTED 17TT
AUDIO/VIDEO
APPARATUS
C
US
U
S
CLASS 2 WIRING
HPA 1001-70V
OUTPUT
70V
LEVEL
HFP
INPUTS
REMOTE
0
LIMITER/
PROTECT
SIGNAL
100-240V 1.3A, 50
-60Hz
Extron
HPA 502
Audio Power
Amplifier
Extron
HPA 1001-70V
Audio Power
Amplifier
Extron
HPA 1001-70V
Audio Power
Amplifier
Extron
SW 6AV
Switcher
Extron
SI 28
Surface-Mount
Speakers
Extron
SI 26CT
Two-Way
Ceiling
Speakers
Extron
SI 26CT
Two-Way
Ceiling
Speakers
Mixer
RS-232
Control
Microphone
Zone 2
Extron
RAC 104
Volume and Tone
Controller
Zone 1
Typical RAC 104 application