Computer Audio Asylum: RPi-4B and Power ?? by tvr2500m Music servers and other computer based digital audio technologies.

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Posted by tvr2500m (A ) on January 13, 2021 at 11:42:54

...and maybe signal clean up, but first, power.

I'm pretty dug into the RPi-4B streamer thing now, and still learning. Tried Volumio and VitOS. Running Roon/RoPieee and also piCorePlayer/LMS/SL (thanks, again, Cut-Throat for your help on getting this going). It's all humming along well enough.

I have a question about what's going in and out of the RPi-4B, both for power and signal. I'm especially and particularly curious about power in and out of the RPi for those devices that run only off USB power (and signal) supplied by the RPi. I have several devices that do this - the Meridian Explorer2, the Resonessence Herus DSD DXD and Concero HP DSD DXD.

I'm currently feeding my RPis with Canakit wallwart RPi supplies and I'm supplying these DAC/amp devices with the USB power out of the RPi.

On the power topic only, I'd like to hear people's experience of feeding the RPi a tidier power source, and also then tidying up the power out of the RPi feeding the DAC/amps.

For all devices fed by the RPi, I'd like to hear people's experience of using something that also cleans up the RPi output signal.

I know there are lots of ways to address all this - HATs, external devices like the ifi micro iUSB3.0, and higher-spec'ed power supplies.

Feedback appreciated.

Thanks.

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Kimber Kable

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