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Can upgraded power cords help my setup?

I have some KEF LS50 Wireless speakers and decided to use them with a Bluesound Node 2 via a Lifatec optical cable. Can I see a significant and worthy improvement if I swap out my power cords for something like Pangea cords? Do I need the AC 9SE MKII on the speakers or will the AC 14SE MKII be good for each speaker and also the Node 2 (C7?)? Power cords seem to be the only place left for me to tweak the most out of my setup.

Thanks for any input.
asahitoro
stringreen's avatar
stringreen
6,492 posts
 
Upgraded power cords helped every component I upgraded...some much more obvious than others, but all to at lease some degree.
4play
18 posts
 
I have Pangea power cords on my system and I am extremely happy. The AC-9 and the upgrades are for your power sources... amps, integrated, etc. The AC-14 and the upgrades are for your source components... turntable, network audio player, etc.

It's worth a try, you have a 30 day home trial to decide.
helomech
1,739 posts
 
@dlcockrum 

I should've mentioned that I have tried cable "upgrades" in various forms, including power cables. I had my girlfriend swap them for me in an attempt to be objective. My conclusion was that if there is any difference, it's too insignificant to justify even a $50 outlay, let alone hundreds. I actually wanted to believe in cable magic, but even the old audiophile expectation bias didn't cause a perceived difference. 

The engineers I mentioned design and repair avionics systems for a living. EMI noise is a frequent problem in aircraft communication systems. When it comes to the wiring, other than grounding, shielding, and routing, nothing eliminates the problem.

Now if someone tells me a shielded cable can better reject EMI than a non-shielded cable, I'd agree, of course. If someone was using a cable of too small a gauge and switched to a larger gauge, I can buy into that as well. Maybe tjassoc can explain how a an aftermarket cable will outperform a shielded, well-made OEM cable. Other than EMI rejection, he is basically claiming that high-end power cables do something to filter noise that originated upstream of the outlet. Funny, I don't see any filtering components on 98% of aftermarket cables. 

It doesn't matter I suppose, no one here is going to concede to the other side. Enjoy wasting your cash on cables.
tjassoc
259 posts
 
Hey guys, I apologize - never did I intend to insight the dispute that has ensued.
I won't be contributing to this discussion further.
I hope everyone enjoys their music - life is too short not enjoy music that moves our senses and stirs our souls.

hifijones
118 posts
 

How about this affordable approach? Buy a sturdy 14 or 12-AWG power cord from a retailer that sells guitars, amps and other instruments. Then install a ferrite choke on each end, 6-inches from each connector. Done. Ferrite chokes reject RF and EMI contamination. This is not snake-oil or voodoo science; it’s a proven fact.

Btw I use Nordost power cords but only on certain components...the rest of my gear uses the inexpensive cords that I described above.

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