Roon Core Machine
Nucleus plus Rev B.
Networking Gear & Setup Details
Connected Audio Devices
Mcintosh MCD12000 via USB
Number of Tracks in Library
I have been using the Nucleus mostly to stream from Qobuz and Tidal.
Description of Issue
I am hesitant to test this situation further, but ever since the last update to v 2.0 build 1148. serial number 54B2030BBADE, my Nucleus plus emits noise periodically on the usb outputs. It does not make a difference which usb socket is used. I don’t think this occurs when music is playing.
It’s great to see you on the Roon Community! You have my sincerest apologies for the delayed response here, we’ve been dealing with a higher-than-usual volume following our release and we’re working as quickly as we can to get back to everyone.
Following up on this thread, if you can please take note of the date and time the next time this happens and share that information here, that would be helpful (and if music is playing or just finished playing, taking note of the track would be helpful as well.)
I would give your router and core a hard reboot in the meantime to see if that helps
I’ll be monitoring this thread for your reply
I have tried re-booting everything and various other things. Here is what happens: when no music is playing, the display on my DAC will show “USB —”, then every 15 seconds or so one channel will show fairly loud (shows -25 dB) noise and the display will change to “USB DSD 64”, the noise will then switch to the right channel and then it stops and the display returns to “USB —”. This pattern repeats itself about every 20 seconds as long as there is no music playing.
I don’t know for sure if this noise is present when music is playing but as far as I can tell, it doesn’t happen when there is any music playing
Thanks for the additional information! I’d like to rule out a few things:
- Do you by chance have another DAC you can test with your Nucleus? Or, Test the DAC on another device/core?
- Does this happen only when playing local content? Does it happen only when streaming content from Qobuz/Tidal?
- Are you switching between different sample rates often? Do you see it happening with a specific sample rate?
- Are you using any DSP?
I’ll be on standby for your reply
I perhaps need to look at some of my audio settings.
I changed the Audio setting in the MQA section to Decoder and Renderer. I think this means my MCD12000 will be fed MQA data where it will be unfolded and rendered, but I am not sure I understand if this setting means the nucleus or the DAC will do this.
I have the DSD section in Audio set to “initial dCS method”. This presumes my MCD12000 will play native DSD files.
I also don’t really have any need for ARC functionality. Could I simply turn off that capability in Roon 2.0?
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