Hi Ken,Hi Steve Z, Ken here, thanks for reply
I currently have the Grimm MU1 and it does fine as Roon Core. while I have had the XACT S1 Streamer in on demo, it was upstairs in system 2 as Roon core. S1 runs only JPLAY and sounds amazing. But can Roon sound this good? that is what I would like.
Regardless, I do not understand Mirror Core. I presume this could be the Grimm MU1?
So I guess the point here is that if Extreme is running XDMS downstairs I would have no roon endpoints elsewhere, correct?
I always disable roon endpoints when not in use or for critical listening. Roon sounds best when only one endpoint running. Multiple endpoints are more a lifestyle or party thing, maybe a soak in the tub, not for critical listening in my reference system or even my #2 system.
I still don't know for sure where the router does or does not fit in my system. My M12 switch is upstairs in office, away from all audio, sending audio to my two wired systems. This M12 switch is quite good, is powered with SJ AR6, and I need a switch there. I am thinking Taiko switch downstairs in front of Extreme (with DAC ). I have an JCAT Optimo 3 I could power the switch, or BPS, etc.
Thanks, Ken
Mirror Core is not a thing, it's just a term I used trying to describe a second Roon core installed on another core-capable platform located "outside" the audio-only sub-LAN established by a Taiko or other router. My use of the word mirror was meant to imply that you have a copy of the music library on the Extreme available to this second Roon core, so that you have all your music, playlists, radio stations and Qobuz/Tidal music available to this second core as well. The library could be on a NAS, external USB drive or internal storage in the second Roon core platform. Periodically of course you'd have to back up one library to the other to ensure the two libraries remain identical or close to it. I treat this as an opportunity to keep one more additional copy of my music library current as a back up in case something happens to my Extreme.
The idea is that as long as you only have one Roon core active at a time you don't need a second Roon license. Further, this second Roon core platform, outside the primary audio-only sub-LAN then allows all your Roon-endpoints access to your music library without having to let them have access to the audio-only sub-LAN set up for your primary audio system.
You are correct that if your Extreme is running XDMS and the only place you have a Roon core installed is on the Extreme, then you would have no way of reaching Roon endpoint devices located elsewhere on your home LAN. While technically you can run xdmsserver/xdmsplayer and Roon simultaneously on the Extreme, doing so is not recommended for best sound quality from XDMS or Roon.
Now, as to your question about Roon sounding as good as your Grimm or XACT S1, I'm afraid I can't answer that question since I don't have any experience with either of those two devices and it's literally been years since I tried and gave up on JPlay.
As you suggest, Taiko Audio recommends using their Taiko router between the rest of your home LAN and their Extreme server, ideally in conjunction with the Taiko switch and Taiko Network Interface Card installed in the Extreme.
I hope this clarifies my somewhat incomplete post.
Steve Z
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