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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