Balanced vs Unbalanced
References
Balanced vs. Unbalanced Cables - Sweetwater
Unbalanced vs. Balanced Lines - Whirlwind
Interconnection of Balanced and Unbalanced Equipment Bill Whitlock, Jensen Transformers.
Sound System Interconnection RaneNote 110
Balanced, Unbalanced, Stereo? what are they? Sweetwater.com > Frequently Asked Questions
Balanced vs Unbalanced Interconnects audioholics.com