Here’s a rough sketch of the TV room, which is also our living room. It integrates the kitchen and the dining room. The grey bar on the left is the false wall, which covers the 6.5m wall. Yellow highlights and the grey circles are the speakers.
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Left is the false wall that has the LCR, stereo subs and two front heights.
Top are the two surrounds
Under the kitchen island there’s another surround
Left bottom is the final surround and the LFE sub.
Grey circles are Atmos speakers.
Finally, at the top of the dressers are two back heights.
That summarises the 7.3.6 setup.