Stupid question, but I assume you have the USB input selected on your REF CD9?
Yes, I do. There is no stupid question Even tried a different USB cable, besides the brand new AudioQuest Coffee. Been at this so long, think I need another cuppa!
The only thing I can see that you apparently have not tried is using a different DAC. Do you have something else with USB input to try? That way you could ensure the Nucleus is operating properly… I am not a Nucleus user but since it is using ALSA, can you log into the root of the Nucleus OS and set the ALSAmixer output to max (or is there a UI page where you can do that)? Try setting the device volume control to max 100% in the Roon UI,
Took you advice and tried my travel Chord Mojo DAC and sound. However the goal was to ‘trade up’ and swap my Mac Mini Roon Core for the Nucleus+ and use my same Audio Research REF CD9 SE DAC via USB. Don’t believe I can log into Nucleus/Linux. Output is however to max 100. When my Audio Research REF CD9 was updated to SE, the USB no longer needed any drivers. I hope I can get this sorted out. Do want to stay with the USB.
OK so if Nucleus is working with another DAC the issue has to be in the REF CD9. Some incompatibility or strange internal setting, hard to tell. Perhaps it simply does not play nicely with Linux.
I do however want to get this working with my Audio Research REF CD9 DAC.
Any more ideas to share?
Searching the forum, looks like it isn’t supported on Linux at all.
Hello and thanks. Became aware of this thread last night from 2018. Curious what news Roon Nucleus @support will provide. Have also contacted Audio Research Corporation.
@support please help
Er - I think you’ve already had all that can be said: by Mike - the Roon Labs Product Manager - back in his reply from February 2018:
the Audio Research Reference CD9 is not compatible with Linux, so it’s not going to work with Nucleus, or with Raspberry Pi running Roon Bridge, etc.
The ball is in Audio Research’s court, it seems to me. Curious to hear what they will say.
Did nor realize Mike was with Roon. Thank you.
Any person here in the forum whose avatar is the Roon icon works for Roon Labs… The rest of us are just bystanders.
The original CD9 was not Linux compatible. The SE is supposed to be Linux compatible and in the Absolute Sounds review Roon gets a specific mention. The only change between the original and the SE was the v3. Revision USB card. So this needs to be pursued. The SE is supposed to work.
Bringing up with ARC. Thanks everyone!
We’re not aware of any changes to this DACs status since that creation of the thread that Mike commented in.
A possible alternative to get your existing device to work would be to use a Roon Ready or Roon Tested SPDIF bridge.
Thanks John, I did reach out to both Absolute Sounds and Audio Research Corporation.
Aware. I’m following up with with ARC.
No word from ARC yet (but realize we’re all thinking about our health and this is not a crisis). Happy to share my interim solution, a Chord Qutest DAC with MCRU powersupply is sublime. Time to start saving for a Chort DAVE. The Mojo got me ‘hooked’ and is with me on every long haul flight. Thanks again all for helping me. Finally, months of ripping my CD collection and I finally am enjoying As you can see, Roon recognizes the Chord Qutest…
Head back from Audio Research Corporation dealer. Apparently I have a v2 USB board which supports Windows/OSX. There is now a ARC CD9 v3 board that supports Linux. Glad I purchased the Chord Qutest as the cost to upgrade the the ARC CD9 v3 board was not much less that the cost of the Qutest.
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