Is High End Cable Really Worth It and What Brand


Hello. My system is almost complete. I'm just waiting for the Dynaudio Center to arrive and my McIntosh AV system will be up and running. The dealer wants me to change out my speaker cable (which I paid a lot for), claiming I will get much better performance out of the dynaudio speakers. The cable I bought (from another dealer) was expensive, but not by the standards of what I'm being told I need. Any advice here would be most appreciated. Is it worth $500.00 of cable? I don't want to have things just for the concept. I will pay if the results are real. I just don't know. Thanks for your advice.
jsdk
This Warrenh guy has really impressed me. I'm going to make a point to read his threads when I see his name. Listen to this man. I don't think you can get a better answer to your question.
I agree with AVGUYGEORGE. You have a lot new already going on. Get yourself up and running. I would offer a point of reference. The discovery 123 speaker cable is a very neutral entry level cable. You might visit fatwyre.com, find your existing cable in their cable lineup and compare it to something like the discovery.

Cable is subject to tremendous markup. I would not buy cable from a dealer who is selling it at retail; it is too easy to buy great cable at discount prices.
I suggest you read the following site written by Roger Russell of McIntosh on speaker wire. McIntosh did extensive testing on speaker wire some time back and answered quite a few questions. Here is the link:
http://www.sundial.net/~rogerr/wire.htm
It is very comprehensive so be prepared to spend some time.

I use old Esoteric 8 ga wire; a friend gave me a spool of it in the mid 90's so the price was right!
High-end wires do measure better and they sound better particularly for longer lengths. If you want to see some measurements and analysis, see the Audio FAQ page at this website:
http://www.empiricalaudio.com
Do expensive cables make a system sound better ? Like a system  that cost about 10k sound a great deal better with 10k cables ?