Man do I love you guys!!!! Thanks for all that info!

Pretty sure the 7011 has Audyssey XT32 and 2 subwoofer outputs. Audyssey XT32 does equalize both subwoofer outputs - it's not like a splitter. When you run the setup it will do each subwoofer separately and tell you what to do with the volume etc. Once it has mixed both then in the rest of the Audyssey run it treats them as one unit.

I still use my SR7009 which does 7.2.4 - 7011 obviously newer and more features for 4K stuff.

This thread will most probably tell you more then you actually want to know :-)

Almost there!!!!

Finally sold my projector. Previously sold my Oppo ( ). With a few other scraped up savings, I am nearly ready to replace my big a/v receiver. I had a little Onkyo TX-NR509 upstairs, and it died. Fortunately Onkyo had a special program to repair / replace it, due to the infamous HDMI board problem, so I wound up getting $150 rebate on a little replacement TX-NR676, a quite capable low end 4K box. This solved my interim issues with connectivity. Works a treat. No more protocol issues, albeit with fewer speakers, less power and a lot less flexibility in audio / video options. But still, for a net $150 spend, I am quite happy with it.

Now I'm ready to get  a "big boy" and send its little brother back upstairs.

I'm looking at Denon and Marantz at the moment, due to the 3 HDMI outputs (1 for zone 2). If I get an older model, I can get 9.2 for about $1000 or 11.2 for $1500 or less.

My heart is with Onkyo, but the Denon units seems to have more features for the money. But they also appear to be lighter in weight. Smaller power supplies? Less robust? I don't know. My TX-NR3008, only 9.2 same power per channel weighs nearly twice this newer 11.2 channel Denon (63 vs. 32 pounds).

Here is my leading pick at the moment. It's an older model, so I might have to move fast to get one.

Any thoughts? I have really appreciated the thoughtful comments and suggestions from you guys in the past.

(P.S. my venerable Onkyo TX-NR3008 is sitting idle. Just FYI.)

Quoting Parsec:

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If you really want the 11 channels of amplification then I guess that 6300 is the best pick. The later model (6400) doesn't really have a lot of extra features so you aren't missing much there. It's also made in Japan, some people are fussed about that - I guess they don't like chinese build quality much 

As to the weight differences, no idea. I don't think Denon/Marantz have heavy chassis' (except one of the newest models apparently does) so it could be that or maybe it's the transformer in the thing.

If you want to go down to a 9 channel amplification model there are more to choose from, also all of them still do 11.2 processing which means you can add a cheap 2 channel amplifier to power the extra 2 speakers making 11 channels total. I think you can get those sorts of amps for under $100 over in the USA where you are so it could even be more economical. All pre-2018 model Denon/Marantz models have 11 channels processing (I am talking the better models here like you are looking at, not the cheaper ones). This year they are bringing out models that do 13 channel processing (even a model with 13 on-board amplifiers).

Thanks. Yes I was thinking about getting the 9.2 and a separate 2 channel amp. The amp that I would get is about $200. Difference in price between the 9.2 and 11.2 is (today) about $400. Not that big a difference to get it all integrated, and be enabled for 13.2 if I want to, so I'm still leaning towards the 11.2 if they don't sell out first.

Very interesting. I would have expected that a cable could cause the handshaking problem, but losing Atmos, surprises me. Can't imagine why that would happen. Anyway, glad you got it resolved.

I finally added two rear-high Atmos speakers. I decided to do it after discovering this recently released little Monoprice amp. Well priced, sturdy, compact and with all the features needed for an external amp (such as auto-on and triggered-on).

I find the TX-RZ920 very easy to use, great sound, and easy to re-calibrate, but I do miss some of the flexibility of the old Onkyo 3008, which allowed you to override just about everything on the fly, after calibration. On the other hand, the RZ920 almost always sounds dead-on, with very easy tweaking available to adjust for differences in the way source materials were recorded.

Soon I will post some pictures of my setup. Thanks again for all the help and advice.