I upgraded all of my source components, including my REGA ISIS VALVE cdp/ DAC , BRYSTON BDP1-USB digital streamer- player, and BRYSTON BDA2 DAC to an upgraded array of CARDAS CLEAR and CARDAS GOLDEN REFERENCE power chords.
the step up in audio performance for each was not subtle, with the REGA spinner with its massive beast of a power supply ( cdp weighs ~ 52lbs) now mated with the CARDAS CLEAR power chord being the most prominent step-up in audio performance improvement