I feel like there is a lot of confusion as to what it means to have a "balanced" or an "unbalanced" interconnect. These two articles are by far the best explanation I've ever read:
http://www.jensentransformers.com/an/an002.pdf
http://www.jensentransformers.com/an/an003.pdf
Both articles come from Bill Whitlock at Jensen Transformers, and are accessible here:
JENSEN TRANSFORMERS, INC. - APPLICATION PAPERS AND SCHEMATICS
Please feel free to post any questions you have after reading these articles and I'll do my best to clarify.
http://www.jensentransformers.com/an/an002.pdf
http://www.jensentransformers.com/an/an003.pdf
Both articles come from Bill Whitlock at Jensen Transformers, and are accessible here:
JENSEN TRANSFORMERS, INC. - APPLICATION PAPERS AND SCHEMATICS
Please feel free to post any questions you have after reading these articles and I'll do my best to clarify.