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Stereo Inputs STEREO 1/2
These accept 3-pole ‘A’ gauge jacks, or 2-pole mono jacks which will automati-
cally ground the ‘cold’ input. Use these inputs for sources such as keyboards,
drum machines, synths, tape machines or as returns from processing units.
The input is BALANCED for low noise and immunity from interference, but you
can use UNBALANCED sources by wiring up the jacks as shown, although you
should then keep cable lengths as short as possible to minimise interference
pick-up on the cable. Note that the ring must be grounded if the source is
unbalanced.
Mono sources can be fed to both paths by plugging into the Left jack only.
Mix Inserts
The unbalanced, pre-fade Mix insert point is a break in the output signal path
to allow the connection of, for example, a compressor/limiter or graphic equal-
iser. The Insert is a 3-pole ‘A’ gauge jack socket which is normally bypassed.
When a jack is inserted, the signal path is broken, just before the mix fader.
The mix signal appears on the TIP of the plug and is returned on the RING. A
‘Y’ lead may be required to connect to equipment with separate send and
return jacks as shown below:
Mix Outputs
The MIX outputs are on XLR’s, wired as shown, and incorporate impedance
balancing, allowing long cable runs to balanced amplifiers and other equip-
ment.
Aux & FX Bus Outputs
The Aux & FX Bus outputs are on 3-pole ‘A’ gauge jack sockets, wired as shown
on the left, and are balanced, allowing long cable runs to balanced amplifiers
and other equipment.
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