Hi, Yes I am sending the DSD itself using DoP to the DAC (I can see the DSD light on the DAC lighting up and the software indicates DSD64 as well)
When testing the PCM sound, the conversion to PCM is done on-the-fly by Audirvana, and indeed there is no issue with the PCM stream.
I tried both the SACD .iso file and as DSDIFF. I even converted to .DSF to see if that changes anything - same issue.
The provenance is the US release… I just did some heavy googling and found this at stevehoffman.tv:
for the SACD it is important to remember the US version exceeded scarlet book standards. on many player it will clip and not sound so good. The japan SACD [still in print?] is the same mastering but was shifted so it conforms to the standards - a different mastering in effect some would say - and sounds noticeably better depending on transport. FWIW the SACD is S Hoffman's recommended version.
So, good news - my DAC is fine! :) Bad news - my favorite album of all time can't be played on DSD... might need to go hunt the Japan version I guess...
Side note, probably off topic: Should I choose “DSD over PCM Standard 1.0” or “DSD over PCM Standard 1.1” in the settings? Seems like there’s an older and a newer spec, which one does the NuWave support?