Phil Leigh;607905 Wrote: 
> If you are using an external DAC, the only cast-iron way to remove
> jitter is to use the DAC clock to drive the transport. This usually
> requires mods to both the SB and DAC.

I still find that different coax cables can produce quite different
sound from either my Touch or Receiver into either of the two DACs I
own.  Supposedly the Wyred 4 Sound DAC should be good at dealing with
jitter of the level from the Touch (though of course cable impedance
mismatch can also introduce issues).  The problem for me is that while
I find -differences- among some of the cables to be very obvious, which
sound is more -correct-?  I found it very difficult to locate
descriptions of what lack of jitter should sound like.  Frankly the
best was a posting I came across elsewhere by John Swenson
(http://www.audioasylum.com/cgi/t.mpl?f=pcaudio&m=26508). 
Interestingly, the same two cables produce more of the sound
characteristics John attributes to low jitter with both the Touch and
Receiver into both DACs.  One is an "audiophile" digital cable that is
no longer made, while the other is a quite cheap Radio Shack one.  I
have a Blue Jeans cable from several years ago, but have never found it
to produce terribly good results.  On the other hand, I purchased the
current top digital cable from the audiophile company when they were on
sale, and it produces very strange results; nothing at all like the 15
year old version.


-- 
ncarver
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