JPS Digital AC. I've heard it on your CDP and it is no doubt one of the best out there. Made the backround very quiet, soundstage opened up and even the bass accuracy improved.
No specific brand/model suggestion. But whatever you get, make sure it has minimum 10AWG conductors. DACs and CDPs (with dacs) sound best with big conductor PCs, don't ask me why, it doesn't make sense. AND, make sure that PC has a floating shield (grounded at only the AC plug end.) .
I have found that smaller PC conductors sound better. I just replaced my Hydra with a Pure Note Paragon PC ($300 on sale). The cord is thin in size but the bass foundation is excellent and there is no haze in the mid/high region.
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