TL Audio VTC User Manual
Page 11

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2.10 Aux Outputs. 
The Aux outputs are provided on unbalanced, 2 pin jack connectors. The mating connectors should 
be wired as follows: 
 
 
- Sleeve = Ground (screen),
 
 
- Tip = Signal Phase (“+” or “hot”).
 
 
2.11 Aux Returns. 
 
Six stereo inputs are provided, for effects returns or other line level sources. The connectors are 3 pin 
jack sockets, and the mating connectors should be wired as follows: 
 
 
- Sleeve = Ground (screen),
 
 
- Tip = Signal Phase (“+” or “hot”),
 
 
- Ring = Signal Non-Phase (“-” or “cold”).
 
If unbalanced signals are used, the screen and ring should both be connected to ground. 
 
The aux returns are normalled so that if a mono signal is connected to the left input only, this signal 
is fed equally to left and right return paths: thus enabling easy connection of mono effects devices or 
line sources. 
 
 
2.12 Main Stereo Output. 
 
The main outputs are via balanced, 3 pin male XLR connectors operating at +4dBu. The mating 
connectors should be wired as follows: 
 
 
- Pin 1 = Ground (screen),
 
 
- Pin 2 = Signal Phase (“+” or “hot”),
 
 
- Pin 3 = Signal Non-Phase (“-” or “cold”).
 
If an unbalanced output is required, pins 1 and 3 should both be connected to ground. 
 
 
2.13 Unbalanced Stereo Output. 
 
The main stereo output is also duplicated on unbalanced mono jack connectors operating at –10dBu. 
The mating connector should be wired as follows: 
 
- Sleeve = Ground (screen),
 
- Tip = Signal Phase (“+” or “hot”). 
 
