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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Other questions posted by Kyu on October 27, 2004 at 03:42:44:
"But at power line frequencies and its near harmonics, a typical copper or aluminum shield won't do anything to speak of in terms of shielding."If they don't do anything in terms of shielding, why some cable designers still use it?
I can't speak for those other cable designers, but I only said that at power line frequencies and its near harmonics. Which doesn't rule out higher frequencies such as RF. I was only affirming what you had quoted in your original post.
In your opinion, should a power cord be shielded or unshielded for better sound benefit seek?In my opinion, power cords, shielded or otherwise, should just be eliminated completely, along with AC power supplies. But that's another story. :)
It's worth noting that the primary reason shielded power cords are used in commercial equipment (and I'm not talking about high end audio equipment) is for EMC compliance, i.e. reducing the amount of interference that device itself emanates. Switchmode power supplies being a good example.
So unless the cord was being used on a switchmode power supply or a piece of digital gear, I wouldn't bother with a shield.
se
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Follow Ups
- Re: Other questions - Steve Eddy 10:33:43 10/27/04 (1)
- Thanks for the detailed explanations! (nt) - Kyu 20:57:07 10/27/04 (0)
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