Personally, I always thought the Preamp cords were the most valuable. I would rather use a preamp cord on an amp, than an amp cord on a preamp.
If you get your whole system wired correctly, with one preamp cord on the preamp, and amp and digital cords in the appropriate spots, the star grounding principles behind Serguei's designs sound pretty impressive in action.
If you get your whole system wired correctly, with one preamp cord on the preamp, and amp and digital cords in the appropriate spots, the star grounding principles behind Serguei's designs sound pretty impressive in action.