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Music servers and other computer based digital audio technologies.

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Initial impressions RPi vs uRendu

Posted by E-Stat on March 11, 2017 at 12:50:51:
I am comparing they two streamers upstairs in the main system as following:
Pi 3B with HifiBerry Digi+ Jameco 1A 5V linear PS via DH Labs optical to ARC DAC8
uRendu HDPlex 2A 7V linear PS thru Audiophilleo 2 USB converter to BNC on ARC DAC8
I could have used the coax out on the RPi and an RCA to BNC connector, but the above arranement allowed for only swapping the Ethernet cable.
I'll cut to the chase - the RPI is a phenomenally good bargain and doesn't miss that much as compared with the more expensive uRendu setup. And, it could be that I'm hearing mostly power supply differences. Perhaps I'll need to reconfigure the HDPlex for 5V operation as another variable.
What I'm hearing for the most part is more dynamic impact and emotion with the uRendu. I'm listening to the opening tracks from the soundtrack to Fanstastic Beasts and Where to Find Them. There's great bass drum slam with a very realistic sense of its air wafting through the hall. Fine percussion is ever so slightly better delineated with the uRendu along with a greater sense of sustain from the harmonics with upper percussion like the triangle.
It seems I'm always a bit late to the party, but I can positively say that now I get it about this cute little box. FWIW, I did take Soundchekk's suggestion and configured the buffers for 20k and 600k which means it's pretty much playing from memory as opposed to streaming.
Wifey's out of town this weekend, so I'm gonna do lots of comparative listening. I want to compare voice, piano and complex synth content to get a full measure of other character differences.
Stay tuned!