If they are not right next to or crossing a lot of AC wiring I'd say: not that much.

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I am building a new shelf system (separate thread) and am looking at options for running cables between shelves.

Will RCA Wallplate inserts degrade audio quality?
http://www.bluejeanscable.com/store/wallplates/index.htm (see Wallplate inserts about half way down the page).

Are there better options?

thanks!

It depends on where you're starting. If you've got a megabuck system with interconnects that cost thousands of dollars, then terminating them into those CHEAP connectors and back out the other side will hurt sound quality. OTOH, if you're using RadioShack bargain interconnects, then there'll probably be no noticeable degradation.

Quote:
I am building a new shelf system (separate thread) and am looking at options for running cables between shelves.

Will RCA Wallplate inserts degrade audio quality?
http://www.bluejeanscable.com/store/wallplates/index.htm (see Wallplate inserts about half way down the page).

Are there better options?

thanks!

Installed and used properly, no.

JJ doth speak truth.

it won't hurt anything. Regardless of how much your system costs(or does not cost)

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Installed and used properly, no.

What are proper installation and use techniques? These things are exceedingly simple.

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Installed and used properly, no.

What are proper installation and use techniques? These things are exceedingly simple.

Indeed. But I have confidence that somebody, somewhere, can connect anything the wrong way.

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Installed and used properly, no.

What are proper installation and use techniques? These things are exceedingly simple.

Indeed. But I have confidence that somebody, somewhere, can connect anything the wrong way.

And possibly kill themselves in the process. That's what the Darwin awards are for.

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And possibly kill themselves in the process

I suppose you could choke on one - with some applied creativity.