SPDIF or AES/Ebu interface

[Ingo Debus]

Michael Buchstaller wrote:
> i am in the process of building a tube-based DAC. First experiments with
> a 8-bit-version vonnected to a PC´s parallel ports look promising.
> 
> But i want to have a digital input via SPDIF (or the like), so i could connect a
> CD player or other gear directly.

So you're into building an 16 bit DAC from discrete parts? Aren't there
hard to get (precision) parts involved?

Ingo