When will there be a successor to the RS 520 ??
I would want to have a device with at least the same functionality, a built in amplifier and connectors for perhaps two pair of speakers instead of only one pair.
Also a few more cinch connectors would be nice so it can be operated like a pre amplifier for other devices.
What about a tube amplifier model?
Its always good to dream.
If I had to make a request… built in wi-fi and BT 6.0 w the aptx lossless codec.
Also make it modular so that you can add in or change the DAC cards. Offering an ESS Pro, AKM and R2R options. Add XLR in and out along w your idea for 2nd set of speaker outs…
But then you’d have to consider the price point.
That said… w.r.t a tube amp model… you could go w a Brunoco tube amp (Also from Korea) and use the analog out of the RS520 as input into the Brunoco. I think their most powerful amps are the mono blocs which are 60wpc … I think the 300B is 8watts??? (I forget.) So you would definitely want to drive only really efficient speakers. But you could do that.
Personally I’d want to upgrade the OS of the unit too.
Dream Only ?
While we the listeners make rather professional suggestions for future product managment 
Well its a wish list.
We don’t have to worry about the details of what it will take to make it happen.
Or how much we would have to charge to make a profit and hope people will buy it.
There are so many choices out there at so many price points. I am sure you can find an all-in-one with the functionality you desire but I would go with a preamp with built-in DAC, streamer and Roon capability built in and buy a separate power amp that accommodates the number of channels you want.
How about the
Advance Paris A12 APEX?
The Advance Paris A12 APEX hybrid amplifier is Roon Ready certified.
Hybrid design:
Preamplifier - Tube
Power Amplifier - Class A/B
…just take a look for yourselves if you’re interested. 
Advance Paris A12 APEX online kaufen bei HIFI-REGLER…&mtm_cid=20718084680&mtm_placement=&gad_source=1&gad_campaignid=20712009963&gbraid=0AAAAAD4iZIUCMbOdMNkfS36W1y_15cKjk&gclid=CjwKCAjwhe3OBhABEiwA6392zIWM6Vi-v8QdcHMm1HHKYfoUrK_SrSq4orKJVPsTkOfA5DnicS176xoC5DMQAvD_BwE#pdesc
Also: Dreams are just dreams! But dreaming is allowed and still free.
So, Mikey, say something. But don’t start complaining!
Merry Christmas…
Then you are looking at the RS451.
AGD just dropped their first AIO.
From a component match… it crushes the competition , yet
I didn’t see any app and the UI of the Rose… flawed… still better in some respects.
Since I went all streaming of music… Roon isn’t that important. Could look at Volumino or something similar.
Bonte, seems that would be perfect for you.
The AP is a bit of a step back in some ways but not in others.
If you want to look at a neat AIO … AGD’s new one just hit.
Funny how not a single suggestion was about anything that would improve the sound quality to bring it on par even with a Wiim.
Well I am just being practical. I like having a preamp as a control center, especially when you want to fire multiple channels. Also I am a sometimes analog person so I like an analog input or 2. Sound Quality was never my issue with the 130, I just wanted it to play songs from beginning to end.
Sound quality could not have been an issue with the 130 because it does not have any 
520 is an integrated though, and one would hope that a successor, if any, would b capable of sound competitive with something 1/10th the price without having to jump through hoops.
Yes, exactly, and that’s why it’s not for me!
It looks nice with the VU meters and the two windows where you can see the preamp tubes. But as I’ve always said, these peculiarities don’t create any sound. They’re nice gimmicks, but nothing more. See also rose, the display is really nice but I need a good UI and software so that a device runs stably and is not constantly affected by some kind of failure.
I’ve had tube amplifiers; they sound warm and not so analytical, which is normal because a tube distorts the sound. And please don’t start with the “tubes” argument. I’ve had new tubes (e.g., Genalex Gold Lion Matched Quad) and NOS tubes, but it’s just the “nature” of tubes to distort, and you think it’s a warm sound. It’s another psychoacoustic thing; you imagine it sounds warmer.
However, The Advance Paris A12 APEX does not perform room calibration, as Boris already mentioned, and therefore I prefer to stick with my device WITH room calibration.
Cheers
And Boris as usual you haven’t been paying attention.
Clueless as ever.
I had something like this in my mind when i decided to start this thread about the RS520.
I have to agree that the sound of the ROSE leaves some wishes open with direct connect speakers when compared via cinch to the analog amplifier i use as well.
There are currently no plans for a successor to the RS520 or for a tube amplifier model.
If we receive any confirmed updates internally in the future, we will be sure to let you know.
Which is precisely why I bought it!
I think I’ve read that AP is just a rebrand of some previous company that had outstayed its welcome for making rather pricey gear that was falling apart before you got it home from the dealer. They do look cute though.
It is possible to mke a tube amp that does not distort in any meaningful way (Macintosh is quite good at that). Of course then it sounds exactly the same as any other, solid-state, Class D, whatever amp
Some (many) of us do prefer to stay clueless about effects of dementia. Of course then there are also some members who are not only personal friends with Alzheimer but even make videos celebrating it!
IMHO, the x50 device would have been a better buy – streams exactly the same, AND has a built-in DAC for less money, but with a good DAC capable of proper 21st century sound processing it does make for a decent Roon endpoint.
I have a Mac C2800 tube preamp. I love it. Can’t say I did a real comparo with solid state. I did watch a review online by some pretty reputable Canadian guys (if you can call any Canadians reputable) comparing the C2800 with the solid state C55. I really had to lean in close to detect any discussion of qualitative differences other than that the C2800 sounded more like a woman with a round bottom than the leaner C55. I will let you decide if that guided my decision.
And to my Canadian friends, that was a joke. I don’t like the tariffs either. Thank you for Sidney Crosby.
I would say that’s as good a description of non-existent difference as any!
If I were buying a Mac and the power output were sufficient, a tube one would be quite tempting just for the looks. Maybe when I retire and have time to fiddle with tubes I’ll get something like that…
:“I’ve had tube amps; they sound warm and not very analytical, which is normal because tubes distort the sound. And please don’t start with the “tubes” argument. I’ve had new tubes (e.g., Genalex Gold Lion Matched Quad) and NOS tubes, but that’s just the “nature” of tubes - they distort and you think it sounds warm. It’s another psychoacoustic problem; you imagine it sounds warmer.” –
This is the objective truth. I completely agree with you. 
The best preamps are JFet transistor based, and the amplifiers are Mosfet based. The smallest changes in the control signal.
