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Do "Cardas Caps" make a difference?

A new inexpensive, and quite compelling, tweek are the caps George Cardas makes to cover unused input and output jacks, therefore rejecting stray EMF. This is a logical tweek, and I trust George's integrity here, but my question is: How noticeable is the improvement? Can everyone who has tried them hear a difference?
fzxguy
gunbei
2,327 posts
 
Hi FZXguy. This is one of the first tweaks I ever purchased, and have used them whenever an RCA jack needed covering. To be honest, I don't know what if any effect they have regarding EMF shielding, it's more a matter of peace of mind for me. However, I do like the idea of covering up something that is vulnerable to dust, corrosion and any household nasty that can make it's way into a small crevice.
killerpiglet
374 posts
 
Fzxguy, can't speak from personal experience but I had done a bit of research into these a while back and I did not find a single user who said it made a difference.

KP
krell1's avatar
krell1
250 posts
 
I agree and if you are truely happy with your system and are looking for that last tweak, this should be it. I am not moving pieces around anymore and have isolated all and just ordered my sets. BTW I think they are going up from $3 to $3.75 each. I heard an improvement using a Shakti stone but I want the piece of mind if I don't.
sc53
719 posts
 
I got a set in an auction and was able to cap unused RCAs on both my ARC CA-50 and my BAT VK-30SE (in another system), but was unable to hear any difference in either system. Like the other poster, I like the idea of neatening up my equipment and insuring against that stray RFI.
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