Lend me your ears...

@ott *S*  Sounds like a nice excuse to take 'multiple vacas' to 'exotica' places. ;)

...and there's always AXPONA, coming to an IL perhaps near enough.

Ear plugs optional...one can edit to taste.

@ott     "and the walls are being soundproofed. The room is 18' X 15' and will be fully carpeted. ....There are French doors that will be covered with moire curtains."

You are lucky to have what sounds like a dedicated room.  I have one too.  Be careful not to overdamp; you don't want to be listening in a near anechoic chamber.  To create a realistic soundstage you do need some reverberation. You speak of 'soundproofing' the walls.  Assuming this is not to prevent the sound entering the rest of your home (in which case 'soundproof' the other side of the wall), if you are damping all four walls, do it lightly with thin material.  In my room I damped the wall behind the speakers with heavier material and kept the other three walls cloth thin. Like you I carpeted the floor, but the ceiling is plaster.

The soundproofing is to reduce the sound outside the listening room. The goal is to be able to listen in the wee hours at reasonably high volume. Damping will be used judiciously.  The LS50s are a bit bright in my ear. 

Sounds like you are on a good path :-) enjoy !

jim

I have a Cary DMS 700. It sounds very analog like, no digital sounding fatigue but also no rolled off highs or loss of detail. It sounds wonderful. I like the Cary App, that it’s set up for Tidal Connect, Spotify Connect, Qobuz, internet radio, AirPlay, and Wi-Fi. It’s an attractive unit with a nice display and the menu is easy to navigate. I don’t use the supplied remote, except for set-up.
If you have questions or problems Cary answers their phone and responds promptly to emails and they’re an American company.
The unit is sold at CaryDirect at a discount, and currently their digital units are on sale. Mine came well packaged and double boxed, no issues.
I realize you were considering the DMS 800, the next step up. If it sounds even better than the 700, it must be fantastic.