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  • als Antwort auf: ethernet-sound.com LAN Isolator V1 #4897
    Freddiekaberman
    Teilnehmer

      Hello Eric,

      I missed your last registration for the V1 – do you happen to have any bare PCBs still available? I would be very interested in 2-3 of them. I can order parts and solder them no problem. I am UK based.

      Many thanks.

      als Antwort auf: Drosselkabel #4697
      Freddiekaberman
      Teilnehmer

        Hello Eric,I
        am glad to have a few positive comments about this. The Shunyata LAN cable I use is a Sigma V1, which I have owned for many years – it has two CM chokes. When I was at the very beginning of checking out ethernet performance, I found it made a huge positive impact and actually justified its high price, at least for me.I
        did experiment with WiFi using Netgear Orbi satellites some time ago, but I was not happy with the stability and so I did not pursue it further. Maybe I will check this route again at some point. I did have very good results with using fibre optics between a cascade of modified Cisco Meraki M220 switches, which were placed between the router and the streamer. I thought I was finished with that implementation but surprisingly I could still hear differences in the upstream „dirty“ side router and modem, even though the fibre supposedly blocked any CM noise. It led me to pursue some experiments to improve the very beginning of the chain prior to fibre conversion, and I thought a DSL throttle would be a good place to start.

        <span style=““>Not sure if there is any interest for a separate thread for DSL, but I would be happy to participate if there is.</span>

        als Antwort auf: Drosselkabel #4696
        Freddiekaberman
        Teilnehmer

          Thankyou @Solid Core for your wire calculations – that is very useful and something I had not considered, since the Neotech wire was just sitting around. When I have an opportunity, I will try some more appropriate wire.

          als Antwort auf: Drosselkabel #4688
          Freddiekaberman
          Teilnehmer

            Hello to all,

             

            Greetings from England, this is my first post here. I have greatly enjoyed this forum, since I have been using exclusively online streaming for many years and like most of you here, I found very large improvements when I started to experiment with ethernet. I am fortunate to have, I think, a well implemented and highly resolving HiFi system which shows up small changes to my network setup.

             

            I found a nice unexpected gain with a version of the throttle V2 on the clean output of my Ether Regen, even though for the last metre I still use a Shunyata ethernet cable featuring 2 common mode choke elements in its design.. This is still under development at my side.

             

            <span style=““>What I would like to report is my finding concerning my modem. I am in a semi rural location with fibre only to the local supply cabinet, then copper wire to my property – hence I use a DSL modem and get about 40Mbps. I experimented with my own design of throttle cable between the „master socket“ in the house, and the DSL input on the modem – usually this is a very cheap rj11 phone cable, in my case a 2 metre length. For the throttle cable, I used about 3 metres of Neotech OCC/PTFE 26awg wire and wound it 12x Bi-filar onto a Kemet Toroid ESD-R-613325H-NC23. The remaining cable either side of the Kemet was then hand twisted (I am aware this is very sub-optimal). Between the toroid and the modem RJ11 termination, I placed a series of 5 Kemet ferrite sleeves ESD-R-14S, each with 2x winding. I also place 2 of the same sleeves on the „master socket“ side of the cable. There is nothing to say about my choices for this design, it was arbitary and I already had the Neotech wire. I have no equipment to measure this cable.</span>
            The listening surprised me greatly, given that I use a cascade of highly optimised ethernet switches and multiple fibre implementations in my network. I don’t go for audiophile descriptions – suffice to say the sound changed with all the expected effects of a lower noise floor – it sounded louder and all elements displayed a degree of improvement. I have „sanity checked“ this impression on several occasions and I always return to this „DSL throttle cable“ at the very front of the chain, even before we convert to ethernet.

             

            I am therefore sharing this finding in case anyone here uses DSL and might like to try it for themselves. I will continue to develop this cable and welcome any ideas – I don’t mind even if you think it is a misplaced idea on my part – I am here to learn!

             

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