How do you run Roon on NUC 11-gen ? Did you instal Linux or Windows ?
I think you want to use that AV processor for it's room correction but you got only optical or coax input. The output on those for the Lumin U2 is "PCM 44.1kHz–192kHz, 16–24-bit" and "DSD64 (DoP64,...
Also 120v were the problem free pair of PSA BHK amps, BHK pre amp, DMP and two DSDs I once owned.
What happens if by accident you sit on the iPad, do you get a Vol+ runaway and blow up a speaker? I'm paranoid about that happening after previous misadventure. The only way I control volume is to...
Reference DAC ordered / MSB Service