How are most audiophiles going from streamers to DACS


USB a to b, , Coax, or Optical ? what's the better one ?   I have a Node 2I and a Denafrips ares 2 dac thats  in transit , what is everyone using for audio ? not brands of cable just format what way is better for streaming High rez music ?
nickaboy1
Of course, the general answer is "it depends on the implementation of each". But a few rules of thumb are useful and I am very familiar with the denefrips.

1. Toslink is always inferior. I wont get into detail on why, but both jitter and sampling rate are worse. Pretty cut and dry. Its great when EMI immunity is required.

2. While there are different profiles, and i’m peaking very loosely, in general SPDIF depends on the clock of the sending unit and USB is asynchronous, mostly, so timing is by the clock of the terminating unit (DAC). Since the denefrips DAC’s timing ( and most of it) is vastly superior to the Node, you want the Denefrips in total control. This means USB. Any quality cable will work fine.


Important note: But you still have some ground noise issues with this direct connection, so.....

The best is to run the streamer via ethernet to a fairly quiet (electrically and mechanically) bridge that terminates the ethernet (isolation) and spits out the USB High res profile 2 data. Make sure this unit has a quiet, linear power supply. The denefrips has, again, an isolated USB interface, which helps and will re-clock and read out everything. This is how i run:

  1. ROON ROCK streamer
  2. Custom modified Raspberry Pi runnign Roon Bridge, with a cusotm made low noise linear power supply
  3. USB cable to Denefrips (apple if you care, i dont)

Voila. Superb.

G


USB a to b. Acoustic BBQ or Shunyata Alpha USB cables. Acoustic BBQ is the best value for your money.
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With my Lampizator DAC and their USB module it’s a no-brainer - USB!

Their module uses a 32-bit engine capable of 384 kHz speed. It is asynchronous and uses two internal clocks for re-clocking. It also is self powered from an internal power supply so you use a non-powered USB cable. No power is taken from the computer and the noisy computer line is physically interrupted and insulated.

Also it’s not converting to SPDIF - it is much better than that - it converts to i2s and it is connected DIRECTLY to the DAC chip, bypassing all input and receiver stages. This really is the best USB solution - at least right now.

If you can’t go USB, then go coax. But don’t go optical - it may not be able to handle data flows over 96.