The auxiliary input is suitable for direct connection of instruments including guitars and keyboards. Good
quality screened cable should be used, particularly for microphone or low level sources, to prevent hum or
noise pickup.
Insertion Points.
The insertion points are interfaced via a 3 pin, 0.25” switched jack socket on the rear of the unit. The pin
connections are:
- Sleeve = Ground,
- Tip = Send,
- Ring = Return.
The insertion point is unbalanced, and operates at a nominal level of -2dBu . If used as an additional send
only (e.g. as a send to a tape machine or monitor mixing desk), the Tip and Ring should be wired together,
to preserve the signal path through the insertion point. When used in this manner, the send will be post-
compressor.
Balanced Outputs.
The output is via a balanced, 3 pin male XLR connector. The mating connector should be wired as follows:
- Pin 1 = Ground (screen),
- Pin 2 = Signal Phase (“+” or “hot”),
- Pin 3 = Signal Non-Phase (“-” or “cold”).
Unbalanced Outputs.
An unbalanced line output is provided for each channel, on a 0.25” mono jack socket.
- Tip = Signal Phase (“+” or “hot”).
- Screen = Ground.
Ventilation.
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