I use an Innuos Zenith MKIII,Shunyata USB with 99% of music stored locally. The music is improved in every way with the PMG DAC. It’s getting better every hour it plays.
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Though that thought might seem like it’s probably true, I think you’ll find on this forum a lot of positive feedback from owners of PS Audio equipment. In fact, I know it.
You’ll find that as unstinting as I’ve been regarding my criticism of the PMG 512’s streamer, I’ve been just as unstinting in my praise of the sonic virtues of the DAC proper. In fact, I’ve returned my trade-in to you guys and kept the PMG 512 DAC despite the fact of how unusable the streamer is for my purposes, and how flaky the software is in general. The music produced from my system with the PMG 512 as its source is just too wonderful to forgo, so I’ve avoided the problems by using my 11-year-old streamer to feed the DAC. When your software guys have finally fixed everything, I’ll give the built-in streamer another go to see whether my old ears can hear any difference. But for now I’m just listening to music and marveling at just how great everything sounds. I can’t help smiling along.
— Chris
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my Audience USB made a huge difference and think PMG DAC could be the last DAC i ever buy (famous last words!)….
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Can now go between I2S 2 and USB without issues, but if I switch and use Optical at any time, all the input displays still get wonky….
anyone else notice this? def a software issue so am much closer to sending the trade in off…
As you I can navigate between I2S and USB seamlessly, which is all the inputs I use. So sorry no help here.
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I returned the PMG 512 DAC. Too buggy. Having to re-boot it several times a day became a real drag. DSD files dropping out and input switching problems added to the aggravation. I’ll reconsider a purchase next year once the unit is fully functional. Going back to my Directstream MKII, I’m missing the sound of the PMG 512.
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Reading this gave me impression that edge cases won’t likely be fix by PS Audio. Which is disheartening for a $9k product. How do one know if they’re problem is an edge case or not so that they can decide whether or not to keep the product? I recommend maybe extending return period for those that suffering these edge cases until the next firmware release, and if that doesn’t fix it, the buyer can decide to take risk and keep the product or return it.
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I suspect that the majority of complaints were not edge cases but beta bugs. And, if they were edge cases then PS Audio should have just exchanged the edge case DAC for a new one and we’d not be even discussing this at all.
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I think this is, by far, the most likely case.
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The edge case is proper UPnP particularly DSF files.
I would say second is there seems some screen issues with a few. Some have been fixed with firmware.
the early skipping has been solved with firmware upgrades.
Yes, progress has been made and that is really good news. I accept that not every use scenario can be tested beforehand and that a a few issues will pop up. These threads have shown that there have been more than a few issues. I’m just trying to wrap my head around how the PMG DAC launched with so many similar problems from unit to unit. QC / QA and proper testing before shipping was lacking.
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When I called in with concerns, i was told my trial period had yet to start - considering the bugs, PS Audio fully understands the situation and is doing everything they can to work with us, so am less stressed and more likely not to return the PMG DAC any time soon. It sounds so amazing ,and their service has been on it, so I am less frustrated than I was a week or so ago when the software update didnt help me much.
Expecting/knowing PS Audio will sort it out to the customer’s satisfaction certainly reduces the stress level/frustration with the temporary bugs - think team PS Audio knows this.
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Sorry if it sounded snarky (which it did but wasn’t meant to be). Used to thinking in terms of USB being means to source from a computer where there can be real problems with the source rather than the connection t ype.
appreciate that… all good -and am thinking the best way to stream is directly through through my PMG DAC now - sounds better and better
This is what makes PS Audio a great company. They do take care of their customers, even when we post our frustrations/disappointments on this forum.
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But isn’t our hobby supposed to relieve stress and not create it? 
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No way can dsf skipping or dropouts be considered edge case on a dsd Dac. Particularly when PSA takes special pride in dsd recordings. These issues have not been fixed with my dac by FW updates. Currently on 2.4.56b567 which is the latest (I just checked). I’m still waiting for support to respond, it’s been a week.
In sound quality terms it’s a wonderful dac.
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I’m enjoying my APS modded DSD Mk1 but I would one day like to upgrade. I am hoping that PMG 512 sorts itself out as at this time it is totally unacceptable all of the problems people are having with this dac. It seems that it is the norm to have issues with this dac and not the exception. It’s a shame as people claim that the 512 is a very good sounding dac. Perhaps when I am in the position to upgrade the problems with the dac will be settled.
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What if we turn things around: you upgrade and all issues are solved.
Wouldn’t that be wonderful! 
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The edge case is the software config/combo he is using not DSD itself. Roon has been their primary concern
I’m more concerned with the screen issues people are seeing.