Mtrot, your original post said you wanted to improve bass definition. Here is an article from Audioquest on Bi-wiring that talks about bass definition. The first page and a half is definitely worth reading.
http://www2.audioquest.com/wp-content/uploads/2012/02/UndrstndgBiWr.pdf
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http://www2.audioquest.com/wp-content/uploads/2012/02/UndrstndgBiWr.pdf
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