fiogf49gjkf0d Hi Rony,
Not a dumb question; wifi and CPL internet connections are suboptimal when near audio systems. By coincidence, last night I bumped into the following post which walks through one person's view on "electric gremlins" he found at 470hz (etal.) from a power company's control tone:
http://www.polkaudio.com/forums/showthread.php?t=71333
The poster, DarqueKnight, also posted his treatise on the effects of some cables, electric outlets, power regenerators, fuses, etc. I will leave it to you to interpret his postings.
S
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