Take a look at this:
http://www.audiodesignline.com/howto/showArticle.jhtml?articleID=190302399
It describes very well what affects the performance of unbalanced and balanced line interfaces and the mechanisms behind them. Also speaks well about cable parameters that affect performance.
Interesting is the little note about a common mistake diy audiophiles do: terminating their BUF634 style circuits.
http://www.audiodesignline.com/howto/showArticle.jhtml?articleID=190302399
It describes very well what affects the performance of unbalanced and balanced line interfaces and the mechanisms behind them. Also speaks well about cable parameters that affect performance.
Interesting is the little note about a common mistake diy audiophiles do: terminating their BUF634 style circuits.