Another "building a small home theater in that unused part of the basement" thread! - Page 2 - AVS Forum
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post #31 of 51 Old 01-18-2012, 07:44 AM - Thread Starter
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Back from my trip, and picked up an optoma HD33, got a smokin' deal at best buy, so I'm very pleased. Hooked it all up and popped in a movie, but it's looking like my Onkyo AVR has died, it passes video, but I'm not getting any sound. I'm now looking at purchasing an Anthem MRX300, looks like it's pretty solid for the price, not quite as feature rich as some of the other options out there, but I'm really interested to see what ARC can do for my poorly shaped room. Once I get the projector mounted (hopefully before the weekend) I'll post some screen shot pictures. Stage construction will start tonight.
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post #32 of 51 Old 01-18-2012, 11:37 AM - Thread Starter
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I've been using the forum search tool, but not having much luck, anyone have some particular builds in mind with good pictures of how the stages were constructed? I've got some idea, but I'd like to do a sanity check by looking at someone elses work. Also, how important is the sand? Right now I've only got a single 10" powered sub, but I can see that evolving into multiple much larger subs as my addiction to HT gear gets worse. I'm tempted to construct the stage, leave it hollow (or filled with insulation) and just paint it black for now, until I get my new carpet installed. It will be 2x8 construction 2 sheets of 1/2" plywood on top, and a 'goal post' style false wall. Have the tools and material at the ready, jsut gotta figure out how to make it!
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post #33 of 51 Old 01-18-2012, 12:40 PM
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I built this one for Jesto it looks to have the same shape as your sketch. The back part is two easy to assemble parts moved into position.




The front is based on simply bending a composite wood board.

Then fitting in rest by laying the boards on top and marking where to cut and what angle. Mark one then make a duplicate for the other side. Just slide in until it fits and LOOKS about right.



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post #34 of 51 Old 01-18-2012, 12:43 PM
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Almost forgot to show you the magic 1 1/2 inch lip measuring tool that I used, you can go bigger if you want.



I also cut little triangular pieces to finish those butt ends of the bending board. Can't find a picture.
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post #35 of 51 Old 01-18-2012, 12:48 PM - Thread Starter
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AWESOME! the lip measuring tool is exactly what I needed to see, I feel stupid for not thinking of that! How much a I going to regret it if I don't fill the stage with sand? It's going down in my basement, concrete floor. Also, was the curved board in front anything special? I was planning on using plywood for the curve, but I'm not sure how well it will work.
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post #36 of 51 Old 01-18-2012, 12:55 PM
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Use sand, You won't regret it later and it is a required rite of passage of all AVS basement theater builders. Buy the dry stuff sold in bags stored inside at Lowe's.

You can wimp out but you will wish you hadn't.
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post #37 of 51 Old 01-18-2012, 01:07 PM
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If you want to up the design a bit and don't mind a little more complexity I did this one for Damelon.

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post #38 of 51 Old 01-18-2012, 01:58 PM
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Wish I would have read about the magic lip measuring tool last week. I think it would have saved me an hour on my stage. I did it different with the same result. The hour was from thinking about how best to do it.
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post #39 of 51 Old 01-18-2012, 04:32 PM
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Quote:
Originally Posted by berg0 View Post

Also, was the curved board in front anything special? I was planning on using plywood for the curve, but I'm not sure how well it will work.

Plywood works but you would probably need to use two pieces to get the length, we used 3/8 plywood for Damelon's stage. I like to use a single piece of wood if you can find one long enough. It takes the shape of a curve a little better with a single midspan spacer as shown in the picture. I can't remember the particular brand of board we used but it was one of those rot proof man-made pieces of lumber that acts more like plastic than wood. We can get a brand of board locally at HD called Tuff Board and I think that is what we used.
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post #40 of 51 Old 01-21-2012, 09:05 PM - Thread Starter
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Got a start on my stage this evening, hope to finish up tomorrow, and get the screen wall put up next week after my ceiling gets retextured.

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post #41 of 51 Old 01-22-2012, 06:11 AM
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That is looking FANTASTIC. Your moving right along on this build!

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post #42 of 51 Old 01-23-2012, 06:54 AM - Thread Starter
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Any advice on how to mount a projector, without it looking really poor? My ceiling is already finished in drywall, initial idea was to use some 50lb holding drywall anchors into the drywall, screw in type, but now realize that is not recomended. My new plan is to use a 2'x2' sheet of 3/4" MDF with a routered edge as a mounting plate, lag bolt it into the joists above, and hang the PJ off of that, but I"m a bit worried it will be large and unsightly, any advice?
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post #43 of 51 Old 01-23-2012, 08:20 AM
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Quote:
Originally Posted by berg0 View Post

but I"m a bit worried it will be large and unsightly, any advice?

Dress it up and paint to match the ceiling.










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post #44 of 51 Old 01-23-2012, 08:33 AM
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PJ mount - turned out great.
Adding the tiered layers of MDF really did the trick!

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Check out a video of my theater here
CuznEddy Cinema
Officially Hanesamatized on 8/1/09

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post #45 of 51 Old 01-26-2012, 09:09 AM - Thread Starter
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Ceiling has beed resprayed with texture (not the popcorn stuff, whatever the other kind is called) glad I hired it out, what a messy job


Ran my power for the projector (wires hanging out are coming from the junction box for the track lighting behind the projector) and an old work plate for my HDMI and ethernet runs to the projector


Any thoughts on mounting my projector like this:


I just happen to have a conveniently placed joist above my projector mount, I could lag bolt the MDF to the joist, then mount the projector mount to that, or can I just lag bolt my mount to the joist, and use 50LB screw in metal drywall inserts for the front of the mount? I have no will work on my ceiling, and feel the MDF might look out of place.
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post #46 of 51 Old 01-26-2012, 10:44 AM - Thread Starter
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Also, a quick question about sand, does the mesh size matter? I think my best bet for large quantities of dry sand is going to be blasting sand, local supplier has everything from 20-80 US mesh size. Silica sand from SIL Industrial Minerals Inc.
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post #47 of 51 Old 01-26-2012, 11:36 AM
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Do you have a HD or Lowe's in your area? They may have cheaper DRY alternatives.
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post #48 of 51 Old 01-26-2012, 11:38 AM - Thread Starter
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Quote:
Originally Posted by BIGmouthinDC View Post

Do you have a HD or Lowe's in your area? They may have cheaper DRY alternatives.

We have Home Depot and Rona, but I looked at it seems they store the playground sand outside. Cold and wet.
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post #49 of 51 Old 01-26-2012, 08:34 PM - Thread Starter
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got a bit more done tonight



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post #50 of 51 Old 02-13-2012, 06:51 AM - Thread Starter
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Got my screen wall up, built from MDF 1x4, buiscuit joined glued and screwed. Thanks for the design BigMouthInDC!





Just need to cut out my curved front, and make fabric panels. Having some trouble sourcing the fabric locally.
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post #51 of 51 Old 02-13-2012, 07:39 AM
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Looking good, you are making great progress.
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