Omg I totally spaced on this reply. I meant to come back and respond, I swear! Well, it’s a month late, but here’s the link to the thread... https://www.head-fi.org/threads/combined-amp-dac-dark-and-warm-sounding.909917/ I think the first mention of the R2R 11 starts at post #5. It’s not a long discussion because of all the agreement. Lol.