So many companies so many power supply implementations, the first post was spot on.
A few years back I tried 3 various price point PCs into a CDP and pre/pwr combo in different combinations. Improving the PC to the pwr amp made little difference, to the cdp as the PC improved so did the sound and the pre was the big surprise. Improving the PC made a night and day difference to the system performance. Over the years I've found that the only thing consistent is inconsistency when it come to PCs and matching them to the equipment they supply.
A few years back I tried 3 various price point PCs into a CDP and pre/pwr combo in different combinations. Improving the PC to the pwr amp made little difference, to the cdp as the PC improved so did the sound and the pre was the big surprise. Improving the PC made a night and day difference to the system performance. Over the years I've found that the only thing consistent is inconsistency when it come to PCs and matching them to the equipment they supply.