I built a Sean Jacobs LPS for my U2 Mini and it made a huge difference. We all know how important the power supply is. That's why the higher Lumin models have much beefier power supplies.
My Bryston SP3. Bought it in 2013. Sent from my iPhone using Tapatalk
Actually an excellent measuring amplifier, would love to hear one.! Page not found | Stereophile.com
Power cycle the whole network of devices starting from the router, including network switches, WiFi access points, Lumin, and Roon Server, iPad iPhone and Android phones. Make sure Lumin app...
It looks like you changed or augmented the power connector for the main board. Can you post a picture of what you did?
Lumin U2 Mini