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RE: I have to disagree with you in part...

Posted by Tony Lauck (A) on June 23, 2014 at 21:14:07

In Reply to: RE: I have to disagree with you in part... posted by Sprezza Tura on June 23, 2014 at 19:00:01:

If you've done level matched bypass tests, then you could be right and I would definitely accept this if you'd used the Grimm. EMM Labs or Horus ADCs. However, from listening to Bruce Brown's DSD shootout, I found both the Tascam DA3000 and a Korg MR2000 sufficiently lower quality than I rejected both of these converters. I believe the files are still on line at Bruce's website, which is linked from the long thread below. (Of course with a different DAC my converter preferences might reverse. Such is audio, where as my friend Clark Johnsen once put it, "There are no sound standards.")

In addition to exploring the effects of the analog driver stages by using the Mytek in preamp mode, you might also try using software conversion from PCM to DSD. I found the PCM to DSD conversion available in HQPlayer to do an excellent job and preferred the sound quality of all PCM formats converted to DSD128 over playing them directly. After doing these listening tests I have become suspicious as to the sound quality of the PCM upsampling that goes on inside the SABRE chip. (If this is a correct diagnosis, then I would expect similar results with inexpensive or mid-range DACs that use the SABRE chip without outboard bespoke filters.)

There are a few other tweaks with the Mytek that are important to get the best sound. I found it was important to dim the LED lights and to turn off the flashing level meters. Also, I have yet to get good sound of any form out of the Mytek through the SPDIF input, but I never really tried either, just briefly tested it to see if it worked while the unit was still under warranty, using an ancient RCA analog interconnect cable and not even a proper digital cable.



Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

• DSD Battle Royale!   (Open in New Window)

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