Node + DenaFrips DAC + bluesound Pulse 2i + Flex 2i

Answered

Eric Cote

• April 07, 2023 19:43

I've connected my Node to an external dac through USB (Denafrips Pontus II 12th) and the DAC is connected to my Michi X3 int amp (XLR). The problem I have is that the audio is not in sync with my 2 other Bluesound speakers ( Pulse and Flex 2i). Any idea why it's doing this?

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• Official comment

  

  Seppi Evans

  Hi-Res

  • April 07, 2023 20:16

  The issue is the additional processing by the Rotel X3 which adds a delay, guessing that your other Bluesound devices are in sync. Bluesound can’t control what the external amplifier is doing but you may find that turning off any additional processing may help.

  I gather there is an Audio Mode on the X3 which should be set to direct bypass. Please try this mode and see f that helps.
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  Eric Cote

  • April 07, 2023 20:28

  I did not have this problem when I wasn't using the external Denafrips DAC. I used the Node internal DAC and the X3 DAC with no issues. As soon as I switch to the Denafrips DAC, i have a huge audio delay problem. The X3 is already set to direct bypass.

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  Seppi Evans

  Hi-Res

  • April 07, 2023 20:37

  Ok… it’s normally the amp that adds a delay but you already knew it was the Denafrips causing the issue. Perhaps speak to them about any delay added during the D to A conversion it’s possible the FIFO reclocking buffer is responsible.

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  Eric Cote

  • April 07, 2023 20:41

  It's definitely when I use the Denafrips DAC that I start hearing audio delay with my other Bluesound speakers. 

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