the itjerk

my adventures with technology

hifiberry dac+ pro

Now that I’m committing to Roon as a music server, I’d thought it would be nice to take a look at my streaming hardware. I like the idea of using my preamp’s analog stage, because it has a great analog stage; I can also output directly from my computer (where my music resides) via optical or USB. So rather than spending money on a Bluesound or Auralic device, I think I’ll go DIY.

The old Squeezebox 3 is of course a cherished relic, and in the living room it will sit forever. I also have a Chromecast Audio there, both connected to a Schiit Modi 2 DAC. In the man cave, I have plenty of options. Roon is very good at dealing with heterogeneous outputs; it recognized most every device on my network. But I am looking for a dedicated device, because, well, just because. I had an old Hifiberry DAC running PiCorePlayer – a very worthy software package – from the days when Raspberry Pi’s didn’t have the “+”. Yep, that’s the one to upgrade.
RoonHifiDac
The good thing about Hifiberry is that they are Roon Ready partner, and have their own Roon Bridge image for their hardware devices. I decided on the DAC Pro +, which adds “integrated dual-domain low-jitter clocks and gold-plated RCA connectors.” Coupled with a new Raspberry Pi 3+ board, I was completely surprised at what a musical player it was: crisp, detailed and very easy on the ears, it’s an absolute delight to listen to.

Hacker note: It’s easy enough to ssh into the Hifiberry/Roon Ready image. Touch a file named “ssh” into the bootloader partition, then login with the user “pi” and password “hifiberry”. Oddly enough, if you do an apt-update/distupgrade, the thing shows up a little differently in Roon’s audio settings (see below image). Why do this? I can think of a couple reasons, including doing updates, turning off HDMI output (/opt/vc/bin/tvservice -o) and of course, changing the default password. Is the Hifiberry/Roon image any better than using a standard Raspbian image with Roon’s Bridge installer script? Maybe I’ll ask Hifiberry.
Hifiberry

I went cheap on the acrylic case, which unfortunately snapped when I went to put heatsinks on the rPi, so I’ll be upgrading to the metal case shortly. Also, I’m going to upgrade to a low noise switching power supply, because that’s really the last thing to do get the best sound from the Hifiberry/rPi combo. Or spend $$$ on a linear power supply!

All-in-all, a very impressive digital streaming device for under $100.

On the web:
HiFiBerry DAC+ Pro | HiFiBerry

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