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If I am posting a new topic when I could have done so in an existing one, I apologize, but there didn’t seem to be an option to post a new thread in an existing topic.

My wife purchased an Arc Ultra, Gen 4 Sub and 2 Era 300 speakers for home theater.

We are in the middle of a remodel, and from what I have read, we have made some decisions (irreversible) that are NOT optimal for our home theater setup, so I’m asking here in the hopes of salvaging what we can (yeah, I know it’s still going to be incredible, but dammmmm).

(1) The TV will be above a fireplace, so about 5’ off the ground and the Arc will go between the mantle and the bottom of the TV

(2) room dims are roughly 20’X18’ BUT we vaulted the ceiling, so it’s 8’ at TV wall and 8’ at the back wall but center of room above our couch will be about 13’.

(3) looks like sub will go in a cabinet behind the couch in a window seat.

This means the arc will be maybe 5’ off the floor and mayb e 2.5’ above our heads and maybe 10’ in front of us. 

Question:  With wall mount, would we try to angle the Arc down just a bit to compensate for the vaulted ceiling, or just leave it level?

Question:  Where is the optimal place to put the Era 300’s?

Sitting 10 feet from the Arc with a vaulted ceiling of 13’, you’d have to angle the Arc up, not down, to get the Atmos channels to hit the couch at 10’ distance.  But I wouldn’t do that.  I’d mount the Arc straight, and put the Era 300’s behind the couch and let Trueplay figure it out.  Between the 4 Atmos channels, you should get fair to good Atmos, even with the vaulted ceiling. 

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