If you are building an Atmos setup from scratch consider ACTIVE speakers and all you need is a processor and some XLR interconnects to get started. Save money and rack space on amps and speaker wire:

Focal 7.2.4 system= $7K

Genelec 7.2.4 System= $20K 

PMC 7.2.4 system- $27K

When you consider that these active speakers are internally biamped you are getting 11 speakers with not 11 channels of amplification, its 22 channels of amplification (plus TWO subs). 

If you just want a system for family fun, that is one and done look what Andrew Robinson says about Sony’s HT A9. Small, convenient, easy to setup, and better than a soundbar.

https://youtu.be/eHcjvdGbaa0?feature=shared

Focal active speakers in an atmos studio:

Genelec active speakers in an atmos studio:

You take these speakers and slide in a good processor in your own home and its likely (very likely) you will have a stunning system, capable of reference level stereo and Atmos music, with fewer racks, fewer speaker wires, AND possibly fewer needs for future upgrades at a very, very, reasonable cost.

The Focal speakers are $7K and add in $2K for a nice processor and you have money left over for some studio grade Mogami XLR cables to hook everything up.

The PMC speakers are $27K and add in $20K for a SOA processor like Storm Audio, Lyngdorf or Trinnov and you have a TRUE reference level system that will play anything and everything for under $50K.

If you are a two channel purist take the $20K processor budget and split it, $10K (or less) for a flagship processor from Marantz, Anthem, or Mcintosh and $10K for a great 2 channel preamp (tubes, solid state, whatever). There are 2 channel preamps with home theater bypass that will slide right in.

So when you are the only one posting in a thread, the interest is dead. Poor little man. 

When you contrast the process of building a stereo it is complicated. You have to mix and match, carefully curate, spend and upgrade and maybe you still aren’t happy (just look at the threads of people who are lets say, less than thrilled..)

That is NOT the way to properly select speakers for Atmos music UNLESS you are loaded and like to shop (been there, done that, it takes too much time and aggravation).

Selecting speakers for Atmos should be quick, easy, and most importantly "budget worthy". If you can recreate what they heard in the studio or at the concert hall in basically a couple of days, why would you want to take a couple of years while burning a hole in your pocket?

A) Select an active speaker package like one of the examples above (there are plenty of other brands too, ATC, Dynaudio, Bryston, Yamaha, JBL, etc).

B) Get a processor or a processor plus a 2 channel preamp.

c) Install and crack a beer and a smile. Feel like stereo, click, feel like surround, click, feel like atmos, click and you are pretty much done.

Myth= Active speakers don't let me use my amp of choice

Fact= Use active speakers with outboard crossovers like Bryston:

https://bryston.com/active-loudspeakers/

I've never heard a processor that sounds as good as a good 2 channel preamp when listening to 2 channel music.

Not going down your dirty backroad. 

NP, take my car:

Yep in a automotive company that will not be in business 18 months from now. Lucid is bleeding cash, low sales and most cannot afford one. 

Yo, that's my Benz, NP: