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  2. Did you purchase from same seller ? I notice we have same board revision. Where do you see that one ? Is it this one:
  3. The rolloff is due to the analog lowpass filter. It is a NOS dac and so that is required. A 0.75dB @ 20khz drop is basically nothing though, and in fact anyone over 25 probably wouldn't even be able to tell at all. The DAVE is an oversampling, delta sigma dac (FPGA but still), not a NOS R2R dac, so they are completely different topologies. The two people I know that have heard both have both said that the may makes the DAVE sound pretty much dull by comparison. One of them actually sold his DAVE to purchase a may
  4. The trial period is 180 days. You can actually extend the trial period a number of times (up to 3 years) before you have to pay for it. https://sid-500.com/2017/08/08/windows-server-2016-evaluation-how-to-extend-the-trial-period/#:~:text=Extending the Trial Period,start PowerShell and run slmgr.&text=Pay attention to the Timebased,the Remaining Windows rearm count.
  5. No, it shouldn't need any noticeable burn in time . It appears to use a generic A.C. mains cable, and it will have internal small value RF/EMI chokes that do not have "burn in", and low value filter capacitors that mainly function at quite high frequencies for attenuating very high frequency RF/EMI. Only some large value electrolytic capacitors as used for filtering in power supplies appear to need a period of time before they fully stabilise, but even then some members are likely to dispute that too.
  6. Hmm, I had just looked at the JAs Stereophile measurements of the May: https://www.stereophile.com/content/holoaudio-may-level-3-da-processor-measurements What surprised me to see was the somewhat early rolled-off top end in the frequency response in Fig.7 (and Figs.8&9 for DSD in particular). Compared to this, the Chord DAVE (at much higher price of course) shows a much better performance as can be seen in Fig.3 here: https://www.stereophile.com/content/chord-electronics-dave-da-processor-measurements Contrary to that the impulse response (F
  7. Today
  8. Wonder has anyone seriously listened to Tambaqui vs emmlabs DA2 or DV2 vs Bartok ?
  9. Manuel, I really don't need any review, so no worries. This is not for this thread either, so I like to stop this "XX" subject (you can proceed in the other thread - haha). Thanks !
  10. Thank you for the offer. I would be interested to explore, but only after I finish my current project in hand. Till then I want to be focused, no distractions. I'll let you know when I'm done, might take 1-2 months at the least. Also I'm a bit tight on budget, so it is unlikely I'll make any purchase soon. Hope you understand. I'll try xxhe demo when I have free time but don't expect a review from me anytime soon because of reasons I've mentioned. My intention would be to show everything I try at its best settings/performance, which is why I also added remarks on my roon/jriver opi
  11. I wanted to add an “Of Course” paragraph to the above. Of course, if you have already optimised the rest of your system then adding a second clock may be the only way you’ll get that extra 20-30% ‘goodness’. Sometimes, if you want the very best SQ, you just can’t avoid the law of diminishing returns.
  12. The power tester in question may not in the traditional sense measure noise?? I don’t understand a word of this. So the AC iPurifier draws current with a 100 Hz frequency. The injected noise demonstrated in the video is of much higher frequency. Where does that come from?
  13. If you refer to my initial evaluation of the Mundorf Silver/Gold DC cables, I did note some initial loss of treble shimmer and extension but after 3 weeks of constant use the missing treble content returned with added air and sparkle vs the Ghent Audio Neotech 7N JSSG360s that I had used previously.
  14. Ah, I never realized this was you. Back I read the first few posts and recall your thorough listening. Well done. I also recall that I did not want to point out XXHighEnd because it would take you an century to explore it well. Btw, it is free if you can bear the Quits between 6 and 30 minutes. Its largest features will be blocked in Demo mode, though. If you coincidentally have an XP machine, or something else which can still implement the first USB drivers which allowed 96KHz (I didn't try it myself since Vista), I'd have a 18/96 NOS DAC for you (costed 1800 euros back at th
  15. Good to know. I might then consider an SR7 with 4 rails, even though i read that the latter is inferior to single rail version, hopping that the difference won't be too much. Lately i've been broswing the massively improve SQ thread quite a lot, and i didn't find much talking about pSUs. This let me wonder how do you guys with top systems power them up. Isn't using ATX LPSU the best option ?
  16. I'm starting my project just now after a year of collectively examining what is happening in the links. Hope it goes well.😁. Off topic: In case you haven't read yet. @PeterSt This is my write up. I'm sorry I didn't include xxhighend in it because I don't think my device would do justice to it. The same way I refrained from exploring hqplayer further since I can't try the oversamplers with my system. Also I was mostly concentrating only on free players. I have friends who own xxhe licence and they love it, and my conversation with you indicates me I'll love it too. I'll
  17. For surround sound or quality surround sound, your kind of out of luck. Companies just don't seem to make these components for computer use. I was giving, as a gift, the Bose Companion 20. It has a nice volume controller on/off button but the sound is only ok. I've used my KEFLS50W for awhile as desk top monitors but they need to be about a foot or two behind the desk for the best results. The best sound I've ever had off the computer (for computer use only, YouTube, Guitar recording ect..) was a pair of Mackie 824mkii speakers. Again these were about three feet from my ears
  18. RaspberryPi + HifiBerry Digi+ Pro is not expensive. I think IQaudio has also similar board, but their site seems to be down at the moment. Problem with 10 MHz clock inputs is that it requires DPLL frequency synthesis to produce the needed master clocks. In this case 22.5792 MHz and 24.576 MHz. So you usually get better performance from a directly connected decent quality crystal oscillator.
  19. Not coiling is a good advice as far as I know. Buying more cable is just him getting better value for money from his sale. If you want more resistance for that same 1 meter just buy a low capacitance cable with a smaller diameter like the DNM: http://www.dnm.co.uk/cablesdetail.html
  20. Then we may meet again. I'm afraid my spent time on this equals that of Mr Kunchur. The difference could be that I/we have products for attacking most (if not all) of those areas, including USB cables (LOL) which he doesn't address, as it seems (he forgot to examine digital protocols and noise implications elsewhere, I think).
  21. This scenario is mostly fine imo. Not a super big issue. Atleast the distance between the pulse peaks are preserved. We don't know of that non silent sound in that space would be audible.
  22. Try doing stft 😁 https://en.m.wikipedia.org/wiki/Short-time_Fourier_transform and play around with window lengths, overlaps etc!! I'm mostly out of this discussion for now. I've got enough leads on how I should proceed further. Gonna read the other sampling methods, the non uniform ones and hybrids, their perks and pitfalls, slowly in my leisure time. For now I am back to working on digital noises. 😁 (Usb cables, transport and stuff, they are catching my interest more and more).
  23. A transient of one sample at 1200Hz, 4 times upsampled, sinc filtered: Above you can already see how even at this slow rate (1200 times per second hence 0.8ms silence in between them) they start to run into each other which means the filter will soon choke. But what I wanted to show is this: Look at the box at the mouse pointer and see where this actually is (in the middle between the two pulses). Now people wanted "bit perfect" ? Hmm ... This is something like 10mVp-p !! (the not-bit-perfectness from XP was 1 bit dither). So why on e
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