That would be an interesting shootout. Both the PD and DS are based on similar design principles if I understand correctly. I suspect the new firmware takes it easily into 5 figure top dog territory. From what I recall, it runs circles around the EMM Labs DAC2X (I owned one). I am personally most interested in a comparison against the Berkeley Reference.
the last time I had the pre-production version of this dac in my room we did not do a comparison with the PD; he had it there only to hear it in my system. the time before which had been a few months prior we did briefly compare it and I preferred the PD. however; that was quite early in the process of combining his dac and the PS Audio output circuit......so hard to draw any conclusions. my PD is now over 8 years old and on it's 25th or so software release. it's been an amazing product to still be relevant. in fact; I don't know of any other digital product which can say that. being a discrete software based dac does give it staying power compared to chip based products. Andreas clearly knew where things were going. the PS Audio Directstream DAC has a similar software advantage in staying power. they do have some fundamental differences in how they process as far as I know.
Ted and Andreas have common deep roots on the software side of digital audio design and worked together back in the day. these things are not accidents.
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