On Thu, 16 Dec 2004 07:20:41 GMT, 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?

Essentially yes, and this is a classic method of averaging errors
between the two DACs.
--

Stewart Pinkerton | Music is Art - Audio is Engineering