Elrod EPS-2 Signature and EPS-3 Signature are the best of the best. I do not have ACR gears but friend of mine he said he uses Elrod power cords and he loves them. If you can afford a top of the line Elrod Statement, which I currently have for my power amp I suggest you should have one for the amp and the Signatures(EPS-2S) for the sources. They are very very musical, detail and dynamic. Good luck.
i wasn't overwhelmed when I put different cords on my AR rig (mastercouplers, mambas, JPS Power AC), but you put a pair of ProAc 3.8's or fours on that rig you've got and I guarantee it'll take you away to audio never never land...
Factory cords sound a lot better than others I've tried, including shunyata (taipan, black mamba), Voodoo dragons, and PS audio. I'm out of the power cord market.
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