On 24/05/2011 16:27, Mark E. Skeels wrote: > I'm confused about your comment about mixing them together. I ran them > into separate channels at the mixer end.....I just used the balanced > microphone cables as two channels with a common ground. I am at a loss > to figure out why impedance would have any affect on that. Unless the > low side line inputs at the mixer are not actually common. Which I find > hard to believe. Seriously bad idea unless you know there are no transformers and it's=20 only wire. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .