Quote:
Originally Posted by rosgr63 
Vinnie,
What would be the pros & cons (Theoretical/Practical) in SQ using the following configurations:
A.Computer=>USB or Optical=>DAC
B.Computer=>USB=>ND-S1=>Optical or Coaxial=>DAC
Thanks
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It depends...
The ND-S1's main purpose is to obtain a digital output from the iPod, so you can feed an external dac. I'm not sure how good its USB-to-SPDIF converter section is.
If your computer already has an optical output (e.g. Macbook) and your dac has an optical input, then there is no need to use the ND-S1 for USB-to-SPDIF conversion. Just go optical SPDIF direct from your computer to dac. Seems like less conversions and hopefully will lead to better sound (unless the spdif out of your computer is less quality than the USB-to-SPDIF converter of the ND-S1).
The way I see it, the ND-S1's main purpose it to obtain a digital output from the iPod (just like the Wadia iTransport), so you can feed an external dac. If you are using a computer as your source instead of the iPod, then I wouldn't bother with the ND-S1 (unless I am missing something

)
To me, the cool part about the ND-S1 having a USB port is that you can sync your iPod to your computer while it remains docked in the ND-S1.
Hope this helps,
Vinnie