I've been working on upgrading my home theater system since last August from a 6.1 system to a hybrid 11.1.6 system with Dolby Atmos, DTS:X and Auro-3D. That's 11 speakers on the floor, 1 subwoofer (for now) and 6 speakers overhead. I was originally going to put drapes along the front half of the room and movie posters in the back and then I got onto this notion of having movie props (mostly full size with a few scale ones) on the shelves under the posters and then it spilled into the front as well and even the half bathroom off the side of the theater.
Let's take a visual tour.... (click on pics for larger view)
Original Layout Diagram followed by proposed/final speaker layout angles below. Speakers are all PSB brand with mostly matching drivers (PSB Image T45, B15, S50, Imagine X1T and CS500 are used) except the subwoofer which is a 15" model from Def Tech. I use multiple receivers and outboard mixers and processors to add more channels to the base 7.1.4 layout (Dolby Pro Logic "center" extraction creates "top middle" between front and rear heights and mixers create 'matrixed' front wides and surround #2 (basically rear wides for between the 2nd/3rd row of seating). The primary AVR is a Marantz SR7012 with Audyssey Room Correction:
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Finished Layout Room Evolution (Star Wars and Tron posters get swapped later for props reasons):
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Time for Some Props:
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Raiders of the Lost Ark Props (More on the way: Hasbro 1/6 Scale Ark is next):
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Even the Bathroom isn't safe! These guys invaded and are up to no good! (Fifth Element Stones with tea cup candle holders on top are on their way for the big shelf on the left side of the bathroom; you know use scented candles in them matching the elements in case someone takes a blast!

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Thanks for viewing my home theater in progress!
I have plans to add a second sub and possibly a 2.35:1 screen with a 4K/3D projector with power zoom memory (currently an Epson 3100 2K/3D projector and 92" 16:9 screen).
I'm looking at getting a "Raven Bar" medallion soon and a Hasbro 1/6 scale Ark of the Covenant is on the way as well and some more "memory orbs" for the Blade Runner 2049 "reader" as well as an alternate crystal ball for the Harry Potter prophesy stand with fading light puck behind it that shows a the Milky Way galaxy in the ball when it lights up (laser engraved).