7°)
Connect the mixing desk output to SNA50-2 on socket C
Female 3 pts XLR plug
SNA50-2 right input
To connect an unbalanced mixing desk use a balancing transformer close to the desk.
If you have not transformer, connect cold pin (-) to the SNA input ground ( ).
8°)
Connect audio power amplifier input to the SNA 50-2 output.
To connect an unbalanced amplifier use a de-balancing transformer close to it.
If you have no transformer, connect cold pin (-) to the SNA ground ( ).
Male 3pts XLR plug
SNA50-2 right output
9°)
To access connectors, close again the lower opaque hood.
Note : if the hood is not closed, the test procedure will not functioning correctly.
AMIX
SNA50-2 UNIT WIRING (next)
C plug
SNA 50-2
-
+
-
+
-
+
-
+
3
2
1
3
2
1
2
2 1
2
1
1
Female 3 pts XLR plug
3
3
SNA50-2 left input
B plug
SNA50-2
-
+
-
+
1 shielded
pair wire
-
+
-
+
3
2
1
3
2
1
Male 3 pts XLR plug
3
3
SNA50-2 left output
2
1
2
1
.
. SNA 50-2 input is balanced, repect (+) and (-) signals.
SNA 50-2 output is balanced, respect the (+) and (-) signals
12
Example of XLR WIRING
Female XLR 3 pts
1: Earth
2
2: Signal +
3
3: Signal -
1
Male XLR 3 pts
1: Earth
1
2: signal +
3
3: signal -
2
SNA 50-2