Arrakis Systems ARC-8 Technical Manual page 32

Radio console
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Monitor amp & Speakers
STEP 4- MONITOR SPEAKER CONNECTION
The console has a low level monitor audio output that is designed to connect to an external audio power amplifier. The console output will not directly drive
speakers.
Connect the audio amplifier input to the console Monitor Output on the back panel of the console. The monitor output of the console is unbalanced, consumer
level and will use an RCA cable (usually supplied with the amplifier). Follow the amplifier's instructions and connect speakers to the amplifier.
Turn the console power on and the amplifier power on. On the console, the Monitor Selector switch should be off (assigned to the Program bus) and set the
Monitor Volume control to 1/2. Set the audio power amplifier level and front panel switches per the amplifier instruction manual.
WARNING- do NOT have all levels controls at maximum. Too much audio level through your speakers can damage the speakers.
There should be an audio source (such as CD player) connected to the console as described in Steps 1,2, & 3. Turn the console source channel on and play a
song. The VU meters should move with the audio and audio should be present at the headphone jack at the back of the console. Be certain that any mic channel is
turned off because it will mute the audio out of the speakers so that there is no feedback. Audio should now be audible through the monitor speakers.
TEST- The audio through the monitor speakers should be clear and without significant noise or hum.
STEP 4- CONNECT AN AMP & SPEAKERS
Audio power amp
ARC-8
HP
Ch 7
Mute
Mon
L
R
Mix
+12V Main
Minus
DC Power
Out
Out
Logic
Out
I N S T A L L A T I O N I N S T R U C T I O N S
Connect an
audio power
amp and
speakers
to the MONITOR
output of
the console
Ch 8
Ext
Pgm
Pgm Left
Pgm Right
L
L
R
R
PC
In
Out
Out
Out
USB
The White connector
is left and the Red
connector is right
If the amplifier uses
1/8" phone connec-
tors, then a phone to
RCA cable will be
Ch 7
Ch 6
Ch 5
Ch 8
Ch 7
Ch 6
Ch 4
L
L
L
R
R
R
Bal
Bal
Bal
Bal
In
In
In
In
In
In
In
4.5
RCA AUDIO CABLE
required
Ch 3
Ch 5
Ch 4
Ch 3
Mic 2
L
L
L
R
R
R
48V
Mic
Bal
Pwr
In
In
In
In
In
Mic 1
In

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