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Metnoc

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  1. Compared Supra usb vs Supra aes/ebu output. The usb cable is all new, just bought to be able to make the comparison. Burn in might change the results a little bit though. Found that usb sounded tight but flat, and xlr had better 3D. I prefer xlr in this case. The dac is a Aqua la scala mk2. The endpoint has a audio board for all outputs, so not usb from a regular motherboard.
  2. Bought a D-LINK GO-SW-16G 16-PORT GIGABIT switch just for fun, I've posted about it just a couple of days ago. I've put it between my roon core and endpoint, as a cheap "reclocker" if you will. Tried powering it with a sbooster linear psu, it makes it sound more "analogue" as in some roughness is gone. However you also lose some snappiness. I'll get a proper hifi switch some time in the future, got other hifi priorities now. Digital signal chain: Router -> Supra cat8 -> switch 1 (a "regular" 8 port with standard psu) -> supra - > roon core server ethernet port 1 ->
  3. This is common knowledge in this forum and I've tried it before but it's worthwhile to repeat some things. I've made some change changes to my stereo so I wanted to try different cpu frequencies for the roon server again. Well, if I increase the cpu frequency on the server it sounds more dynamic, and if I lower it the sounds becomes a little more "cozy", but the bass is too thick, it's not at all tight. The lower frequency sounds just wrong. I certainly prefer using bit sum - process lasso power scheme, which forces the frequency higher. The base frequency of the cpu is 2,2
  4. I haven't taken the plunge yet in investing in a hifi switch, however I thought I should test another regular switch. I'm not an engineer but, my thinking is that a switch with more ports and than the usual 8 or so might sound better, because it might need better CPU? in order to be able to handle all those ports. Well, I bought a D-Link GO‑SW‑16G, a switch with 16 ports and a external 12V psu which makes it easy to test other power supplies. My digital chain: Router -> Supra cat8 -> switch 1 (a "regular" 8 port with standard psu) -> supra - > roon core server eth
  5. I can't keep up with all the latest developments in this topic. What's the current ideas regarding the importance of the hardware of roon core server in comparison to the roon endpoint? Would a hifi switch such as Uptone separating the roon core and endpoint machines negate most of the roon core impact on the sound quality? Thanks.
  6. Later than promised but here it is, my take on Farad Super 3. Tried two farad, a 19V for my roon core computer and a 12V for the sms200ultra endpoint. Furutech rhodium fuse for the 19V and Synergistic research blue fuse for the 12V. Both upgraded with Furutech rhodium ac-inlet. Farad level 2 dc copper cables and Farad power cords. In short, the results where kinda similar with farad to both the roon core and endpoint, however a larger impact on the endpoint. Farad sounded liquid, dense and a little dark. It bested the Uptone lps 1.2 for the endpoint, uptone sounded a little t
  7. First update, the sms200u as a roon endpoint is no longer unequivocally an improvement over than just using the usb output from the roon core when supplying the computer with a farad psu rather than the standard psu. Snappier transients with sms but also a “colder” sound and less “analogue”. But this might not come as a surprise to the folks in this forum. The roon core computer is a zotac 620 with a i3-8130U cpu, and no special upgrades such as hifi clocks. Still prefer windows 10 with fidelizer over Audiolinux though, al sounds cleaner but also too thin.
  8. Farad 19v to roon core and 12v to sms200ultra. Will report back in a couple of days on results compared to uptone lps 1.2 and stock psu among other things.
  9. I have the Aqua la scala mk2, it came with Siemens tubes I guess. Have tried brimar nos, mullard nos and jj. JJ - kinda warm and unfocused, bass lose precision. Brimar nos - bass gets way more weight and overall quite warm tone, it as a certain "tube magic" that jj lacks, difficult to pin down but jj sounds more "hifi" in a negative sense. Mullard nos 1962 - more balanced than Brimar, and it has even more of that elusive "tube magic" quality, wonderful.
  10. Just confirmed that I will receive two Farad units for a test. A 12V for my sms200ultra and a 19V for my roon core server. The 12V has Furutech rhodium connector and Synergistic research blue fuse, the 19V Furutech rhodium connector and standard fuse. I have a Uptone lps 1.2 for my endpoint for comparison and the system is of sufficient quality to reveal quite minor differences. Will report back next week. https://faradpowersupplies.com/shop/en/home/42-7761-super3-power-supply.html
  11. Just confirmed that I will receive two Farad units for a test. A 12V for my sms200ultra and a 19V for my roon core computer. The 12V has Furutech rhodium connector and Synergistic research blue fuse, the 19V Furutech rhodium connector and standard fuse. I have a Uptone lps 1.2 for my endpoint for comparison and the system is of sufficient quality to reveal quite minor differences. Will report back next week.
  12. I've taken inspiration from Romaz post and tested setting different frequencies for the CPU on my Roon core. I've done this before, but recently I've done a few changes in my system and wanted to try it again. I have a Zotac CI620 nano computer with an Intel Core i3-8130U (dual-core 2.2GHz, up to 3.4GHz) processor for my Roon core, the endpoint is a sms200ultra. I run windows 10 (thought that it sounded better than Audiolinux last time I've tested) with Fidelizer in purist/streamer mode. I've tried setting the CPU frequency to 1,5. 1,7. 2,1 GHz (setting of 99% of max frequency
  13. I'm planning to try: Wall outlet 1 -> standard power distributor -> first outlet of the power distributor -> dc-blocker-> hifi power cord -> hifi power distributor -> dac and amp. -> outlets 2-4 on the standard -> digital components. Perhaps not optimal either, but the fact is that the digital components disturb my amp and dac.
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