dpstjp is right: it really shouldn't make a difference. But I did hear a difference when using a C10 as core versus the 818 as Core. Also, I tried the MC200 as integrated device as well as merely as Core + Store, versus the MD600 The latter sounded substantially better.

Rowland Model6/BPS6, Rowland Coherence II, Levinson 390S and 37, AudioAanZee Reference Flow music server, Rowland Aeris DAC, Rowland Cadence phono stage, Pass Labs Xono phono stage, Yamaha PX-2 and Thorens TD 160MKII, Transparent Ultra and Reference cables, Apogee Diva magnetostatics (refurbished).