let me send you to another thread, similar subject
http://www.whathifi.com/forum/hi-fi/re-chord-chorus2-vs-tellurium-ultra-black
words by Peter Aczel 'The Cable Lie'
"Logically this is not the lie to start with because cables are accessories, not pri- mary audio components. But it is the hugest, dirtiest, most cynical, most in- telligence-insulting and, above all, most fraudulently profitable lie in audio, and therefore must go to the head of the list.
The lie is that high-priced speaker cables and interconnects sound better than the standard, run-of-the-mill (say, Radio Shack) ones. It is a lie that has been exposed, shamed and refuted over and over again by every genuine authority under the sun, but the tweako audio cultists hate authority and the innocents can’t distinguish it from self-serving charlatanry.
The simple truth is that resistance, inductance, and capacitance (R, L, and C) are the only cable parameters that affect performance in the range below radio frequencies. The signal has no idea whether it is being transmitted through cheap or expensive RLC. Yes, you have to pay a little more than rock bottom for decent plugs, shielding, in- sulation, etc., to avoid reliability prob- lems, and you have to pay attention to resistance in longer connections. In basic electrical performance, however, a nice pair of straightened-out wire coat hangers with the ends scraped is not a whit inferior to a $2000 gee-whiz miracle cable. Nor is 16-gauge lamp cord at 18¢ a foot. Ultrahigh-priced cables are the biggest scam in con- sumer electronics, and the cowardly surrender of nearly all audio publica- tions to the pressures of the cable mar- keters is truly depressing to behold. "