[Kevin McMurtrie]

In article ,
"Arny Krueger" wrote:

"Eeyore" wrote in
message

Balanced wiring only gives you an advantage if the
equipment is balanced. With clever wiring it's only
actually necessary for either the 'sending' or
'receiving' equipment to have a balanced input or ouput
but you need to know what you're doing in this case.

I know the strong advantage that balanced inputs give, but what advantage do
you get from an electronically-balanced output driving an unbalanced input?

The output signal doesn't have to be driven on both lines. What helps
is having the output signal relative to the other line. It eliminates
ground loop current from about an inch of wire on the PCB. The ground
current can instead flow entirely along non-signal shield wiring.

A Mackie and Xenyx mixer show logical schematics where the output stage
tip is driven relative to the ring, which is grounded by a resistor to
the shield. I haven't traced the PCB to see how true that holds in the
physical schematics.

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