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In Reply to: RE: If all house wiring is of a given quality, how does an exotic power cord improve sound? posted by hcman on May 6, 2010 at 08:36:46
the first thing a Good aftermarket PC does is not strangle the power coming out of the wall by being 14awg or larger, that also lowers the impedance of the connected load. The good PC also acts as a noise filter by twisting the conductors or including a filter network. A good PC also acts like an anti-antennae by not picking up or radiating RF. All these things and more are hallmarks of a good PC and they make your gear sound better than the crappy, unshielded, undersized cords that come with most gear. On the other hand, they are probably the least effective upgrade you can make especially from a power stand point. The best power upgrade is a dedicated circuit or 2 directly routed to your gear. There is a whole nuther list of reasons why that works so well.
"E pur si muove...And yet it moves"
Follow Ups:
Thanks. BTW, I'm in the early stages, just finished the foundation, of a new home. I'll be using dedicated circuits for for my gear.
I'll be using dedicated circuits for my gear.
When you see the electrician ask him if your city's AHJ (authority having jurisdiction) adopted the 2008 NEC code regarding the use of AFCI (arc fault circuit interrupter) breakers and Tamper Resistant child safety receptacles.....
Did you spec an electrical panel with copper bus bars and not aluminum?
Jim
good points/?'s, depending on where you live and the AHJ, you might not have to use AFI's. I would not want them on my AV ckts. Copper bus in a resi panel would be great but would be hard to get. Probably have to spec a commercial panel and pay the slight difference. Not sure it would make any audible difference and then there is the service entrance cable and cable from load side of meter to the panel. My house is AL from utility xfmr to the line side of the branch breakers. But installing 10/2 wG CU romex from the breaker to my gear made a big difference. Remember, no splices, no daisy chaining recepts, continuous home run from the breaker in the panel to the recept you plug your gear or power filter into.
"E pur si muove...And yet it moves"
Square D QO Load Centers have copper bus. Also you can get Cutler Hammer with copper bus.
Pretty much in all cases aluminum wire from the utility to the meter socket. The customer can spec copper from the load side of meter socket to the main breaker.
unless the packaging specifically says copper or has CU in the cat #, it may or may not be copper. Low end residential panels don't even give you the option and the mfr puts in what ever is cheaper on the commodities market at a given time.
"E pur si muove...And yet it moves"
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