Originally Posted by TrevorM
Sit 36 3/4” off back wall to seated ear location.
Head vise maybe required if that 1/4 inch is critical ... grin

Originally Posted by TrevorM
Place speaker 27 1/2” to tweeter off sidewall.

Place speaker 36 3/4” to tweeter off front wall.

Mount tweeter on stand 32” off floor. Or 18-20” stands.
...
My room is 11.5 x 18 x 8’ for reference.
Curious about how you came up with these measurements ...
Are they from your room?
Some calculation?
Software program?