Bill is fairly on target. as for the formula for line loss under 100', he is right. Tt line levels, it is an insignificant value.
The things I think that is important is the following.
1.) When ever you have to cross a Power line or a speaker cable do so at right angles.
2.) Use a balanced output from the PC to a balanced input on the mixer. If your PC is unbalanced, either get a Professional grade sound card that provides balanced outputs, or use a direct box. If your Mixer doesn't accept balanced inputs get a direct box for it as well.
3.) Use a grade of cable of at least 22ga. that is 3 wires & a shield. This will provide the best possible performance.
4.) If your wires must run parallel to power or speaker wires, seek to keep at lease a foot of separation at all times.
5.) Avoid locating the wires near any electrical devices such as floodlights, transformers, heater wires, anything with large current flows.
These are not absolutes, but are viewed as the best measures to assure absolute low noise performance when sending line leval signals over long distances.
[ November 01, 2002, 10:00 AM: Message edited by: DJ Dr. Drax ]
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