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Discussion Starter · #1 · (Edited)
Welcome to my humble home theatre build.

I live in Norway and I'm a huge fan of AVSforum. A lot of inspiration in this forum.

I'm not finished with my theatre yet so this thread starts right into the action. I'll post various pictures from the building process and hopefully I'll wrap this project up in the near future.

I'll put more info into this first post in the days to follow.

Equipment:
The speakers are in my living room while I build the HT.
Speakers will be modified Stig Erik Tangens "InConcert Miles" DIY:

 

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Discussion Starter · #4 · (Edited)
Plan for equipment

The technology changes almost every week so I have changed my plans for equipment many times already.
I'm aiming for a system with one dedicated amp per speaker. Crown I-tech would be my first choice atm because of the great DSP and power.

I'm planning for a 7.1.4 system.

Speakers:
LCR: InConcert Miles which will be modified with an extra 12" and 15".
Surround: 4XBeyma TPL 150H with 1 or 2 Beyma 15P80ND
Atmos/Auro/DTS in ceiling: Not decided yet.

Subwoofers:
6 or 8 Beyma 18SW1600ND

PJ:
Waiting for laser PJ's to hit the home market so I'll buy some temporary PJ meanwhile.

Room treatment:
A combination of diffusors and absorbers. See later posts for more info.

Screen:
Dreamscreen V5 AT DIY ca. 130-140 inches

Design:
At the moment I'm aiming for something like this:


Floorplan:
Room to lower right is HT, lower left is gameroom, entrance with WC, Sportroom will be bedroom later, "Teknisk" is where my HVAC, waterheater and so forth is, upper right is storage room. Yellow square is where my amps will be placed. No electrical equipment except PJ will be placed in the HT.


Room size:
13 feet, 9" wide (about 420cm)
15 feet 10" long (about 485cm)
7 feet 2" high (about 220 cm)

Wall construction principle:
Here is a drawing of the room-in-room desing for the walls. Each framelayer is 4" so the sidewalls will be 8" in the inner layer. I wanted to design the speakers to be inside the walls and being pretty big speakers with 100 liters box for each 15" I needed lots of room within the walls. Diffusors/absorbers are also to be placed within the 8" walls. Double doors on the lower left and screen wall at the bottom.


More info here to be added.
 

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Discussion Starter · #5 · (Edited)
Starting out in the room

Here's a series of pictures from the room before I started to work in it.

HT to the left, gaming/leisure/media room to the right:


This will be the back wall with PJ, surrounds, diffusors:


Front wall where the AT screen and LCR will be:


Wall towards the gaming room:


Wifey in the background (hiding?)


Fresh air is also nice:


Looking from the gaming room.
 

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Discussion Starter · #6 · (Edited)
Building my first set of Miles speakers

Parts:

1X Beyma TPL-150H:


2X Beyma 15P80ND:


Crossover filter:


MDF and dusty work:

7,5" bassports:





Misc:











 

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Discussion Starter · #7 ·
Soundproofing the ceiling.

Between the basement and the floor above I have 12X2" framing with 6" of insulation. I wanted to soundproof that some more so I glued a layer of drywall and doubled the insulation. My plan was to have a separate room-in-room solution with 6" framing for ceiling underneath the old one and 1" air between.









 

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Discussion Starter · #8 ·
Framing

Time to start framing the room-in-room.

Dry air and 2x4's... Twisted framework.


Testing the height of the ceiling:


Calculated 1", ended up with 1/2". At least it's not touching :=)


Screen wall with 2x4:


Putting a layer of drywall behind the walls to add stiffness to the walls (sandwitch effect). I know this creates triple leaf, but I have a few specialities in my room that prevents me from creating a good double-leaf room.












 

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Discussion Starter · #9 ·
More framing

In the equipment room next to the HT I needed some place to get the wires out so I opted for the ceiling. Power cables to the left, HT speakers/signal to the right.



Three wires already installed here by the builders: Green is satelite dish, blue is doorbell and white is main power cable. 230V 3X6mm2 + ground.






Framing wall between HT and gameroom (this entire wall is actually about 18 inches thick when finished):




Started framing EQ-room:
 

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Discussion Starter · #11 ·
Lighting

A rough design of the planned lighting:

Star is sweetspot. Zone 1 are the 6 lights around the sweetspot, zone 2 are the other 6.


Black chrome lights from SG


DIY boxes made from drywall to prevent sound leaks around the lights.


Lightboxes in and startet installing wires:
 

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Discussion Starter · #12 · (Edited)

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Discussion Starter · #14 ·
Drywalling and misc.

Time to make this look a bit more like a room:







The electrician (is it called that?) didn't approve of my lightboxes so I needed to modify them a bit:







Extra 2x4s for the PJ:



Started installing the 230V outlets:


Testing screen sizes in 16/9 and 1.40:1
 

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Discussion Starter · #18 ·
Soundproofing the door

To stop sound leakage from the HT by the doorframe I used EPDM rubber:

This rubber is used to seal 48" plastic pipes, and now as soundproofing for doors:


A little modification to fit the frame:


Some caulk applied:
 

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Discussion Starter · #19 ·
Second layer drywall

First I needed to clean the room so I had to use some cheap child labor :



Installed the second door as well:



Ready for the second layer and sanding:





Cut holes for the diffusors:





Started sanding:





That sums up the building process this far. It took about 3 years to get where I am today so I'm not very fast at building.

Since this last picture I've been sanding the walls. Too much dust to take pictures so I'll add some later. Still not done with second layer ceiling.
 

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