Made me laugh out loud 
. Hold up Slim!
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Itâs still around. In fact, Paul McGowan of PS Audio wrote something about it not too long ago. Obviously it can be exagerated, but itâs not âsnake oilâ to claim that cleaning connections could make them work better.
https://www.whatsbestforum.com/showthread.php?1652-Contact-Cleaning-The-Right-
http://www.kontakaudio.com/
Stuffhttps://forum.psaudio.com/t/contact-cleaner/3603
If youâve ever repaired vintage audio gear, then youâll know that this thing really works.
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No of course not, never said it was. However, if using quality âgold on goldâ connectors, there is little to be gained by using any fluid to âimproveâ connectivity.
On a separate note, I have heard more than enough of Paul McGowanâs opinions recentlyâŚ
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Vintage audio gear is âtin on tinâ which is just a bad contact waiting to happen!
And what about the 150 feet of cheap 12-2 Romex from your power panel to you wall outlet, and all the splices in jboxes with cheap wirenuts, etc⌠???
Beefing up the last 2 feet of the run will make a difference ?
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The alternate view is that it isnât âthe last 2 feetâ, but 2 feet of an infinite loop going back to your electric generation. The idea is that clean 2 feet before your device can make a difference.
Iâm not making the argument, just bringing it up.
Hereâs the latest. No further comment necessary -
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How many ferrites will you attach to your new cables? I hear a prime number works best? 
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P.S. Thanks for pointing these out. Iâll give them a try.
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Fifty-three.
Yeah, if you do try the cables, Iâd be interested in your impressions.
Itâs a good attitude. I could see spending $35 for something I thought made a difference and not bothering to do a double blind test (but being of a scientific bent and knowing no accepted explanation for why any power cord should make a difference, I probably would). On the other hand, if I had spent $1500 and couldnât hear any difference, I would invoke the Heisenberg uncertainty principle and conclude double blind tests can never be valid because the ABX switching mechanism of necessity distorts the delicate musical balance of the device under test. Or that it simply isnât the way we naturally listen to music, which seems to be the current argument.
But for 35 bucks, if you like the looks and feel it might improve the sound why not? Enjoy it!
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Not sure I get the alternative view. Is the last 2 feet supposed to be removing noise? If so, why not just use a power line filter? Where does the noise that would otherwise get into the last 2 feet come from? I understand youâre not making the argument, but Iâve never heard an explanation from anyone.
Your power comes out of a transformer, runs along the street connected to other peoples houses with anything from toasters to welders connected. Then it goes through your switchboard, some cheap arse circuit breaker and along your house wiring that costs under a dollar a meter, finally itâs terminated in a $5 power point.
That 1m of very pretty cable plugged into that $5 power point is sure to make all the difference.
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Donât you just LOVE tâ Internet ? They created a term called YMMV - great !!
Iâve been going nuts trying to decide what to buy or whether to buy:
Fuses
Power cords
Interconnects
Conditioners
Receptacles
I find it almost impossible to decide what to buy. When so many people insist itâs snake oil and others insist they can hear a difference itâs unsettling. I donât like that it canât be measured and I donât trust my ears and the placebo effect.
My audio repair guy (I think the world of him) suggests one of the more important things to do is to clean all the connections. Hereâs a really really good write up on it from the Galen Carol website.
https://www.gcaudio.com/tips-tricks/how-to-improve-your-system-for-free-almost/
I finally did buy receptacles from PS Audio (I canât hear a difference)
I finally did buy the eight receptacle surge protection conditioner from Brickwall. (I canât hear a difference). I do feel good that the surge protection canât be defeated and the rack mount feature helped clean up the wire jungle behind my stereo console.
Snake oil salesmen are benign positive contributors to society compared to the peddlers of spurious esoterica to the hifi enthusiast.
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If it costs more than, what to you, would be chump change then donât buy it. Thatâs my philosophy.
With monoblocks this is too easy - just use different power cables for each amp and compare the SQ difference between left and right channels 
Hereâs why audio power cables will not improve sound:
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