Just have your carpet cryo-treated or shake a magic chicken’s foot at it.
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You are on the right track, they need to be up off the carpet. Or floor, whatever that happens to be. Doesn't seem to matter. Several inches will do, and you can use just about anything from paper or plastic cups to blocks of wood. Really good electrical insulators seem to work better which is probably why....
Cable Elevators are the best I have tried. https://www.reddragonaudio.com/products/cable-elevators?variant=249017132 After buying mine I noticed they are really just the ceramic insulators used on top of telephone poles all across the country! They slap a sticker on the part, and a zero to the price, and box them up n sets of 8 which it usually takes 3 per speaker leaving 2 to place under a power cord or whatever else might be laying on the floor.
These things work so good I did a demo for Chris Brady one time, kept the music playing the whole time as I removed them from one side then the other then put them back again. He said he could hear the sound stage collapse as I removed them and come back again as they went back in.
mkgus I would guess that your carpet and rubber layers create a static charge in the speaker cables that are down there. You need to get them out of there and run them in the wall if you’re overly concerned with cosmetics or else just exposed but supported above the floor with any non conductive material. Your idea of running more speaker wire is not good; and if you did run more wire, you would have more electrical resistance, not less. Magic chickens are a last resort, and only result in defeat.
While anything that raises the cables certainly will improve things, the very best solution is to use something specifically designed to prevent electric charges moving along the surface getting from the floor to your cables. There's a whole industry devoted to this exact subject so its no surprise the best performance by far is to use one of these insulators. Turns out there's a whole cottage industry of collectors so you can if you want hunt around and find some that you like. Or you could hunt around and find the manufacturer, which is what Cable Elevators seems to have done. Either way this is by far the best way to go. https://www.ebay.com/itm/2-Vintage-Ceramic-Porcelain-Insulators-Brown-White/183480810613?hash=item2a...
The ones here are exactly the same as mine. Cable Elevators basically slaps a sticker on the side and a rubber foot on the base. Even at their inflated price they are well worth the money.
All of the above is correct but will not exactly give the "cleaner look" you are after. One solution is to run the cables under the floor (assuming we are not talking a concrete slab). You can actually then get a nice drape and few if any points of contact. You will need nice solutions to get in and out of the floor of course -- suppliers to clean rooms and industrial facilities are helpful in this regard. I did something like this in my prior install
Correct, the cables are under a layer of carpet. I’m pretty sure cable risers would help a lot, but then I would lose the clean look I’m going for. Are there other solutions than cable riser? Or is there a way to incorporate cable risers and keep a clean look.
Running underfloor or in-wall would work but I don’t really want to be making cuts and drilling holes if I don’t have to.
Another option to look at would be a techflex cord cover. I use it to cover my speaker wires on hardwood floors just to organize the biwire mess and give a clean look. I don't know if that gives you enough separation from the carpet to isolate from... whatever is being isolated from, if it really exists. I suppose you could also use a wire shield inside of techflex to protect from these static fields.