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About skatbelt

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    Member type: Music first

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  1. @The Computer Audiophile why didn't you send your own SR1a to @mitchco? RAAL does driver matching but differences between SR1a's can potentially be significant. And, what about the different angle positions of the drivers and their implications on the response / correction needs?
  2. If you follow the JS 'guidelines', isolation transformers are very, very effective. Especially in a balanced configuration. And if the capacity of the IT is correctly dimensioned, there is certainly no question of reduced dynamics. On the contrary. It is often power conditioners that limit the dynamics, especially with power amps. Mine is placed in an adjacent room, so I don't suffer from the humming. For me the key to success was to have the whole system (streamer/dac/amp) behind one isolation transformer and to have all other incoming/outgoing signals electrically isolated. 'Moat
  3. I would like to go on a little longer on the subject. After all, this is the experimentation thread and it is related to how the ER works... 😉 Last night I did another experiment. I replaced the EMO EN-70HD between the Mac Mini and the ER (A side) with the DX pair. At this place I do hear a small improvement without negative effects. I am curious if this is due to the 'in series' of two transformers. In other words, whether two EMOs in series would have the same effect. So for now my conclusions are: - DX pair does not work positively between ISP Router and opticalMod
  4. I know the stories about a cleaner mains grid at certain times of the day and have experienced this myself. However, since I use an isolation transformer on a dedicated power line, the difference has become negligible. I would like to clarify something about my experience with the DX's. I also strive for a transparent, neutral, and yes, even naked sound, but what I experience with the DX's is not an improvement of these criteria but a kind of unrest or imbalance. Especially in micro details and in the upper frequency range. High registers of a violin become too sharp, for example.
  5. Exactly my findings. I removed them and the musicality and emotion is back. May be I am going to try them in another position later on. @PYP, replacing the supplied shorts cables with short CAT6 UTP cables did make a difference, but not satisfying as well.
  6. Find attached the datasheet of the Emo EN-70 series. I thought the most logical place for the DX's is where I put them now. Please note that my (Uptone DC modded) Mac mini is only serving as a Roon server. I can easily determine it's (negative) effect in electrical terms by temporarily switching it off and comparing the sound quality with the very good player software of the dCS Network Bridge (Mosaic), which also supports Qobuz. The Emo EN-70HD brings Mac mini/Roon on par with Mosaic. So if I omit the mac mini my current chain is: ISP router > DX > sh
  7. My thinking is the DX, Baaske and Emo isolators all share the same principles. The only real difference I can see is the the recommended use in pairs. I have a Emo EN-70HD between my Mac mini and the EtherREGEN A-side and this certainly makes quite a positive difference. I guess the etherREGEN benefits from the rejected noise by this isolator. It does more in my system than the DX-pair between ISP router and opticalModule I have upstream the etherREGEN since a few hours. To my memory, the statements JS made were related to the use of isolators on the B-side.
  8. The metal housings of the two ethernet ports in a DX are not connected internally. So no need to worry about ground loop issues. I just installed dual DX's between ISP router and opticalModule. Certainly not night and day in my system. Slightly cleaner / a lower noise floor is my first perception. But also a tad leaner. I am not yet sure whether it benefits musicality. My system was already very transparent and neutral. Let's see how things evolve, giving it some more time. Anyway, thanks Gary @One and a half for pointing to this cheap tweak!
  9. Sorry for reviving this but I recently got the opportunity to purchase a (used) pair of Finisar FTLF1324P2BTV via eBay. I have compared them to the Planet MGB-TLX and the Planet's are out! There ares still some units available so for the ones interested: https://www.ebay.com/itm/112841613528
  10. Alex, seriously? I think statements like this will make even the greatest Uptone Audio adepts frown. And I count myself among your fan base. I think it is dubious that you let a dealer who has multiple interests do so in a forum where members are mainly looking for reliable information. A dealer who also makes handy use of your reputation in his sales techniques and almost sells a kind of feeling of 'Uptone-certified' for his clock products. I would appreciate if you answered my earlier question: have you actually experienced yourself that an external clock delivers significant imp
  11. Exactly what I was thinking. In my setup an EUR 3000 Mutec Ref-10 didn't improve anything. A good LPS did improve a lot. Going from copper to fiber was the icing on the cake. May be the EUR 5000 Ref-10 120 or a higher line Afterdark clock will squeeze out a bit. Quite a few members are stating this. But this money is probably much, much better spent buying a better streamer, DAC etc. What I find difficult to filter in all this is that Uptone and Afterdark are commercially linked. I know this is a sponsored forum but still.
  12. To check if my memory had failed me I read back and during the launch of the ER you literally said that it would take a very high-end master clock to gain benefits, is there were are any. Have you come back from this thought? And have you actually experienced yourself that an external clock delivers significant improvements? If so, which types did you experiment with?
  13. I had it in my system for more than a week. My provisional thought is that there is only so much that can be gained by cleaning up the incoming signal to the dCS Network Bridge. I can imagine as per @Clockmeister suggestions that there is further improvement possible between the dCS NB and DAVE but I don't see myself stacking two MC3+'s and a REF-10. I like to keep things simple. But I can imagine future system where one master clock references a switch, streamer and DAC. If I remember correctly, 'the Uptones' also indicated that there would be little to gain with an ex
  14. Hi Gary, just no difference noteworthy. To give an indication: 'rolling' SFP's made a bigger difference. I borrowed the REF-10 from a good friend and in his system it makes a positive difference. But he has the ER B-side directly connected to the ethernet input of his Lyngdorf TDAI-3400.
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