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Power Cord Length

Here's one for the electric wizards to kick around. Whilst attending Axpona this weekend I was doing some power cord shopping. At one particular display I was being told by a very well known cable company representative, I'll not mention the name so it doesn't influence any responses, that the rule of thumb is that in order for the pwr cord to be effective it needs to be at least five feet long. This allows the current to be in the cord long enough for it to be effective. Ok, I'm really dumb when it comes to this sort of thing so maybe I said that in the most simpliest of words but that's pretty much how it was explained. Anyone care to elaborate on this good or bad?
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Showing 1 response by jadedavid

jadedavid
76 posts
 
Have never heard that the length on a power cable is critical. Their is a lot of discussion on the proper length of digital cables though.
Perhaps the Mfg was referring to some harmonic resonance frequency of the 60hz power wave?
I have heard a definite difference in the sound with some power cables and virtually no change with others.
An audition in your system is a must. Many mfg's have a trial period and the Cable Co has their Library program. 
Good luck, enjoy the journey and trust your ears.
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