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A Couple Little Things I'm Wondering About

Two quick questions for anyone with any experience with either topic.

1. Why do some folks with usually higher end systems use those cable lifters to keep the cable elevated? What are they intended to do? If you use them, what do they do for you please? And if you know do they make sense from a purely technical standpoint? 

2. I bought a bunch of those gold plated caps to cover all the unused RCA jacks on the back of my AVR. I believe they are intended to keep noise down. If you use these, please comment on them. Do you think they do what they're supposed to do, and/or do they make sense from a purely technical standpoint?

Thanks!
jcolespeedway
djones51
4,947 posts
 
You're not going to find honest physics on this forum to much hokey subjective nonsense. Cables resting on little cups or balls every so many feet has audible differences to laying on a carpet? If it wasn't so sad it would be hilarious. 
glupson
7,842 posts
 
drbarney1,

You dialed wrong number. Please check your number and try your call again.

Stay away from cable and fuse threads. They will not be good for your health although they do get hilarious at times. You cannot make them up.
unreceivedogma's avatar
unreceivedogma
981 posts
 
I have placed my speaker cables in the nearest inter-galactic black hole. As a consequence, I have zero interference and noise. 

I don’t hear a thing, as a matter of fact.
twoleftears's avatar
twoleftears
5,318 posts
 
In this universe, "honest physics" is an oxymoron.
antigrunge2
1,418 posts
 
The purpose of the shorting plugs is to prevent ingress of electromagnetic grunge into low voltage circuits. Depending on circuit design and local conditions they can be highly effective or a waste of space. Unlike for cable lifters the technical reasoning behind them though seems sound (no pun intended)
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