Improving power supply : Better PSU for RPI or just for DAC+ ?


I'd like to improve my DAC+ Pro power supply ; it currently takes juice from the Rpi, beeing powered by the common usb power supply unit.


I'd like to know if (to get the best sound) i'd better buy a good linear power supply to feed the RPi and keep the DAC+ powered by the Pi ; or use that power supply to power just the DAC+ (and keep the Rpi powered by the cheap PSU)

Thank :)

PS : i'm using ethernet for the Pi so i think there's s a lot of noise coming from here, too.



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