Both ui and fpga firmwares loaded just fine, i have played few DSD and PCM tracks (USB) - all fine here and I like what I’m hearing 
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Yikes! I’m holding off on this for a while.
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Everything loaded fine up to the reboot. Selected reboot and then nothing but a flashing blue light (on/off switch) for some time. Seemed to never stop. Turned the power off with the back switch, took three tries before my mkii booted up. I will admit, I was worried I bricked her. All is well now, checked and yes massive is loaded. Sounds great so far.
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I already had 2.6.2 so I just did the fpga update. It went very smoothly. Sounds great. BBC3 streaming, Octave Radio streaming and both DSD & FLAC album tracks stored on my Auralic Aries G1.1 through the USB interface. On to the 100 hour burnin for the newly used portions of the fpga.
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Problem fixed and no issue now. You want to download this; it is doing amazing things on my system (wait 30 min. after download).
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The firmware (Going from 2.5.1 to 2.6.2) doesn’t have a burn-in time.
However, with the upgrade of the FPGA code to Mount Massive from 208-Antero, there will be a break-in period. Give it a few hours to a day to settle in before judging the sound quality.
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Installed fpga 228 Massive this morning and listened for a couple of hours. The sound is noticeably improved but some issues remain. Transitions between formats (PCM<->DSD) now appear smooth. However the hash and popping still occurs during DSD sample rate transitions. PCM, regardless of sample rate and resolution, plays flawlessly. Further evaluation is underway.
installed upgrade with no issues. Loving the upgrade - well done Ted, Paul and team! I thought we were just getting a SW upgrade to fix the outstanding issues some users are having… I wasnt expecting this!
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With Massive, eveything in this DSD album just feels more intimate.
Everything is smoother and more liquid yet I don’t feel I’m loosing resolution as a trade off. Great update! Thanks Ted and Paul and the PS audio Team.
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I’ll echo a few comments on this community.
It boggles the mind that with an $8000 DAC that numerous people still have issues of one sort or another.
Perhaps this isn’t unusual in the industry ?
I’m certainly not gonna pretend I’m aware of everything
I had a MK2 but sold it
That being said my unit was trouble free for what I used it for
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The download went well. I had to relearn navigation of sub menus. Sound seemed funny discovered the galvanic isolation was disabled on USB from the update. Sounded more familiar after i lifted USB ground.
Will take more listening for reduced noise floor. Most notable older analog recording returned more of the master tape noise in digital mixes that have not eq’d it out. So likely more detail.
Dead quiet original digital recordings
I imagine the second fpga needs to run in. Missing a bit of soundstage width and depth feeling. But overall way way beter than a master fuse experience.
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A back handed compliment if ever there was one.
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I guess I had higher expectations for the master fuse. This mk2 firmware cost me nothing.
I just redid my Bacch-dsp filters. I got back width and depth of soundstage. Apparently the Mk2 DAC filtering of outputs was sensed by the binaural mikes. Now I am noticing more noise between images coming across as less blackness or space between. I well let it grind more. The decays are more defined. I only had one song stutter and it wax in the middle so far though not hearing any of Paul’s best thing in 50 years of audio. . But i am sure newly exercised fpga circuits need some more time.
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Okay i pulled the 3MAB7050HF RF absorber off the toroidal supply and front panel ribbon cables. I had a definite wow moment. In that the amount I was using there is not needed with the Massive firmware. That matches what Paul’s graphs in his video is saying. The 3M material soaks up the frequencies that were previously there. But using as much RF absorber is not needed after Ted’s noise reduction firmware. Too RF absorber is too much of a good thing.
So next I removed the piece of 3M AB7050HF I had placed over both fpgas. The presentation got less desirable. Replacing pieces on the lid over FPGAs adds a bit more blackness and richness to the presentation.
Given this experiment I believe what Paul is saying about ultra high frequency noise reduction through Ted’s FPGA firmware improves the sound of MK2. Hopefully @dchang05 can do similar experiments with absorber to test my hypothesis based on listening and his observations with absorber placement.
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The massive software has played the last 5 songs beautifully the sound I was used to with using RF absorber is being exceeded with Ted’s digital tricks and nearly all RF absorber i used previously removed. . Simply amazing rendition of Aron Copland’s fan fanfare for the common man.
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Yes, you now have it all: fixes and sound improvements on a massive scale! Well, at least the SQ improvements. 
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Thanks for the report. What’s really strange to me about this upgrade is the amount of time it takes to burn in – or for that matter, the idea of software burning in at all! Give it a few days of play and let us know.
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I was able to download your original posting of the 2.6.2 software. Is there any reason to reload the latest posting?
Question above was supposed to have gone to you.
Aaron, Paul: any plans to sell pre-loaded drives of this firmware as was done with SD cards for the Mk !? That would be very helpful to me and some others.
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