The crime here is that NAD replaced the USB input with a phono stage on the D3020 v2. But otherwise, any sort of USB to S/PDIF or DAC would work for you… or a HAT for the Raspberry, as suggested.
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Maybe look at Allo Digione for a coax connection
Thanks all. Looks like both Pi2AES and Allo Digione would push the total cost toward $300, which is too much, so I went ahead and ordered the HiFiBerry Digi+ Pro and case to add to current kit. I didn’t like the constant noise of the fan and took it out - what temperature should it remain under?
If the tests work out, I’ll get two more. Just in time, as I think one of my Sonos Connects just died yesterday, barely a year after I got it.
Thanks for the help, feel free to make other Raspberry recommendations as I won’t be getting all of them at once. For example, is there a case anyone likes better than the HiFiBerry steel case? I would consider spending a bit more for a nicer looking aluminum matte black one if it existed.
Okay, I installed a HiFiBerry Digi+ Pro, and it’s working great via coax digital connection to the NAD D3020 v2 via Roon, but no sound for some reason via Spotify. I sent Feeback again in case you can see anything:
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Yes, I did update the Audio HAT setting to Digi+ Pro and rebooted.
I assume I’ll have to install the HiFiBerry OS instead.
It was already enabled – I’d successfully set up Spotify before adding the HAT. Anyway, I installed HiFiBerry OS and it works now!