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Speaker wire isolators - Do they improve SQ?

In our beloved hobby we see at time all sort of gadgets and widgets and we ask ourselves, do the really improve SQ? This is the case of speaker wire isolators. More than often I am seeing on AG systems and even suggested by a reputable seller. My question to this forum is: Do they actually improve SQ ? It is noticeable? What material is used or makes this product workable?  Can I make them at home? I have seen some for sale at remarkable high price and I wonder if they are a cost effectively a sound investment? I have a carpeted floor. Please comment as you like. 
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limomangus's avatar
limomangus
1,424 posts
 
I remember the first guy I ever saw who has them in his audio system.He  was one of those guys who had a $100,000 systems .They looked cue.His Big Sonus Farbers were in the middle of the living room.He said they worked. I was there to buy a pair of Sonus Faber Lutios he used in the kids room...lol
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drrsutliff
858 posts
 
Cable risers are something to look at after many other more substantial improvements have already been undertaken wether that be equipment upgrades or room treatments.  Most opinions that I have read theorize the greatest (and possibly only) benefit is cable elevation over carpet due to potential capacitance issues being induced in the speaker cable.  This is going to be a very subtle, if it occurs, and if the rest of the room/system is not on a level that very very subtle improvements are able to be discerned then any improvement could be missed IMHO.  
lobinero's avatar
lobinero OP
76 posts
 
that's what suspected minor subtle improvement, mostly unnoticeable. I will still make my risers and see if any improvement comes out of it.
tomcy6's avatar
tomcy6
2,586 posts
 
Let us know what you learn.
ditusa's avatar
ditusa
1,883 posts
 
LOBINERO if you see them in your systems it improves sq i made them out 2''thick by 2''x2''pine there a joke
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