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How does length affect power cable sound quality?

Wanted to bug y'all about a basic power cord question: How does the length of the cord affect sound quality? My gut says that shorter is better, but maybe there is some form a filtering required that makes length a necessity. For me, a standard 6 foot cable is estheticly 3 feet too long (at least--I could use some one and two foot cords).
Does an 8 footer sound better than a 6? is 10 better than 8? How much worse is 3 feet instead of 6?
In short, what is the optimum length, and how does sound quality suffer when that length is shortened or lenghened? Obviously, the exact type of cable used must be considered. Specificly I've ordered a "$200 msrp, $150 retail, cord for $50" for a Virtual Dynamics Power 3 Power cord, currently on AudiogoN, and available at that price for about 30 days, according to Rick.
brtritch

Showing 1 response by cleeds

cleeds
6,088 posts
 
kosst_amojan
I'm struggling very hard to see how after 34 miles of aluminum and copper cable and buss bar a few extra feet between my wall and my stereo are going to make a big difference.
It's a puzzle. Your friendly local audio dealer will probably be willing to loan you a PC so that you can try it for yourself and discover if you can hear a difference. Of course, you may suffer expectation bias because of your "struggling," and that may obscure whatever difference there may be.

Incidentally, the distance between your home and the power plant isn't really important - it's the distance between your home and the substation that really matters. And that's likely to be a lot less than 34 miles.
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