Volume imbalance

Core Machine (Operating system/System info/Roon build number)

I5 Nuc. Roon build 667

Network Details (Including networking gear model/manufacturer and if on WiFi/Ethernet)

Ethernet via router.

Audio Devices (Specify what device you’re using and its connection type - USB/HDMI/etc.)

Lumin U1 mini via Ethernet into Psa DSD

Description Of Issue

Every now and then I have an issue where the left speaker is slightly louder than the right one when I power on my equipment. If I turn upsampling & eq off and back on it fixes the issue.

Thought I’d report the issue as it seems to happen once or twice a week and while easy to fix I am thinking it might be a software issue.


Is that PS Audio DirectStream (senior)? USB connection? PCM or DSD64 or DSD128 into the DAC? Please post a signal path screenshot.

Next time this happens, please power down the DAC, wait for a few seconds, then power it on again.

Hello @jhsg,

Does this issue only happen on the Lumin zone or have you seen it occur on other zones as well?
Is there any pattern with regard to sample rate as Peter inquired?

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