[Arny Krueger]

"Sonnova" wrote in message

On Thu, 28 Aug 2008 17:26:15 -0700, Arny Krueger wrote
(in article ):

"Steven Sullivan" wrote in message

---MIKE--- wrote:
For several years I have been running the digital
output from my Marantz CD-67SE through an MSB Link DtoA
converter. I noticed that the bass was very "tubby".
Today I disconnected the MSB and used the analog output
of the Marantz. The "tubby" bass was gone. I can only
assume that the MSB was causing the problem.

You can make other assumptions that are just as
reasonable, based on the evidence so far.

One is that the difference you heard, was imaginary.

Or, it could be due to:

Level mismatch

Not listening to the identical same musical passage
during the comparison

Excess switch-over delay

Any of these could be perceived even though there was no
audible fault in the MSB link.


What you say is true. Of course, it could well be that
the MSB is not flat in the upper-bass region causing
tubby-sounding bass. I have a friend with an MSB DAC and
compared to my Sonic Frontiers DAC-2/D2D-1 I find the
bass a bit on the "hollow" side as well. This may not be
a coincidence.

That could be resolved pretty quickly and cheaply using a modern computer
with the current quality of internal audio interfaces with a digital output
and the audio Rightmark program. Now that we've cast the problem as a
difference, and not just about absolute flatness of response, the modest FR
of the audio interface in the computer would not be a serious issue.