Simple Linking; Complex Linking; Mc Series; Www.intelix.com - Intelix 8002MCB-XLR User Manual

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3.9 Linking
Intelix 8002MCB mixers may be linked in several ways. The two principal methods of linking
are "simple" and "complex."
Simple linking is the expansion to more than 8 inputs by connecting two 8002MCB mixers via
the auxiliary bus. Essentially, simple linking is the "daisy-chaining" of multiple mixers to
expand the number of inputs routed to a single output. Inputs are multiplied in increments of 8
by adding mixers to the chain.
The number of mixers that can be daisy chained is limited only by the accumulation of noise.
Typically 6 mixers utilizing all 48 inputs may be used without excessive degradation. This
gives you the equivalent of a 48 input by 1 output mixer. Each doubling of inputs reduces the
system's noise floor by 6dB.
Complex linking allows the use of multiple 8002MCB mixers as a single 2 output mixer. For
example, two MC series mixers may be linked as a 16 input by 2 output channel mixer stack in
which there are two separate output mixes with full control over distribution of the inputs to
the two outputs. Among other applications this feature can be used to implement the so called
"mix minus" technique, in which no microphone drives the output nearest itself.
Not all techniques for linking are shown here. If you have questions regarding a linked appli-
cation, please contact the Intelix applications department.

3.9.1 Simple linking

Simple linking or "daisy chaining" allows the expansion of mixer inputs in multiples of eight
by chaining together multiple 8002MCB mixers with the auxiliary buses. To preserve certain
mixer features this must be done via the following method.
1) For each mixer, remove the jumper from J2 and place it on J1. This causes the
Auxiliary Out level to be set by an internal pot, fixing the linked gain structure. The
external pot only controls the headphone out level.
2) In the last mixer in the chain remove the jumper from J18. Leave the jumper in
place on J17. This routes the Aux in to the Main output, preserving the compres-
sor/limiter feature.
3) All other mixers in the chain should have jumper J18 in place, and J17 removed.
4) Using XLR cables, connect each mixer's Aux Out jack with the Aux in jack of the
next mixer in the chain.
5) Take the summed daisy chain output from the Main Out jack of the last mixer in
the daisy chain. This must be the mixer with J17 in place (from step 1).
6) All mixers except the last mixer in the chain (#1 in the drawing below) must have
all its frontpanel M-A switches in the A position, to route its inputs to the Auxiliary
bus. The position of jumpers J17 and J18 in the first mixer (#4 in the drawing
below) do not matter, and can be left undisturbed.
You should now have a daisy chain configured as shown in the drawing on page 18. Note that
the position of J17 and J18 are shown within the drawing of each mixer in the chain (except
mixer #4 in which the jumper position is immaterial).

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