In rec.audio.tech R wrote:
Stewart Pinkerton wrote in
:

On Wed, 15 Dec 2004 22:45:20 GMT, "Rich.Andrews"
wrote:

"Arny Krueger" wrote in news:QN2dnU2d2-ywhV3cRVn-
:

"R" wrote in message
. 1
I am looking for an sound card that features dual DA converters in
parallel. Does anyone know of one?

Please explain more precisely what you mean.


Arny,

What I mean by parallel is that the data stream for one channel feeds 2
dacs
at once and the resultant output of the dacs are tied together. Many of
the
high end CD players and D-A units use that circuit topology as it lowers
the
distortion levels.

You don't mean parallel, you mean a differential pair. Given that
distortion levels with conventional DACs can be 0.001% or less, do you
think this is important?

I don't think i mean a differential pair. Wuld not a differential pair be
2 dacs fed with the same source but one dac has it's invert pin asserted?

Can someone tell me what the difference is here?

Summing the output of two DACs should give "s1 + s2".
A differential pair, as I understand it, would be "s1 - (-s2)"

I don't see a difference. Am I missing something?