USB audio configuration on MAC creates distortion

…and it is correct that the Mac Mini with AS outperforms the Melco?


Yes, but it’s always hard to make fully fair comparisons.
First of all, when using the MELCO alone, it’s connected to the TotalDac DAC via a dedicated USB connection, and not an AES/EBU link. And secondly, it’s always very hard to draw clear conclusions from tests not made in exactly the same configuration and performed at different periods of time.

Anyway, I found the sound of AS/UPnP/TotalDac Streamer better than MELCO.

I also tested an intermediate configuration where the output of the MELCO entered the reclocker part of the TotalDac streamer and found the sound a bit better.