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DonKellogg
Joined: 31 May 2006
Posts: 180
Location: Kalamazoo, Mi
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| Posted: Fri Aug 11, 2006 2:14 am Post subject: Home Theater Stage |
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Not sure where one would post this as we don't have a construction forum on the site at this time. Thought I would post the pics of the stage I build that required all that sand.
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| Finished before carpet and screen wall. Each layer has seams in different places. |
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109.9 KB |
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| Decking Layer 1 3/4 OSB, Layer 2 1/2 OSB, Layer 3 3/4 OSB Every layer glued with liquid nails sub floor adhesive, and screws. over all about 250-300 screws increasing in length each layer 1 1/2, 2 1/2, 3 1/3 |
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117.59 KB |
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11603 Time(s) |
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| 2x6"s sitting on top flat 2x4"s front cap 2x8 back cap 2x6" 2 tons of sand there after topping off. |
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111.43 KB |
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11602 Time(s) |
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cabinetguy
Joined: 25 Mar 2006
Posts: 387
Location: Tacoma Wa.
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| Posted: Fri Aug 11, 2006 2:30 am Post subject: |
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Lookin' good. What kind of speaker arangment are you thinking I am curious about the center speaker
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Runco 980,VP30,Panasonic RP62 w/gary's SDI mod.Pioneer elite into some AR's
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DonKellogg
Joined: 31 May 2006
Posts: 180
Location: Kalamazoo, Mi
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| Posted: Fri Aug 11, 2006 2:43 am Post subject: |
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Right now I have Klipsch RF7's for the LR, and Klipsch RC7 for the center. There will be 3-4 SVS PB12/2 subs on there behind the screen same as what Art Sonneborn has. I sold off my Paradigm Servo v.2 15's to step up to what the big boys have.
I still have Mirage OM10's in the back do to my company owing me in upwards of 6-7k in expense reports. Piss me off too because I had a chance at a really good price on the new Klipsch RS62 for surrounds.
Do to the air traffic issue today I rented a car and returned home O'hare was nuts. So maybe I will be able to build the riser. I think I'm only going to do 2 rows of 3 even though my theater is 30' long. I have some ideas for the back 
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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mack1
Joined: 21 Mar 2006
Posts: 494
Location: SARNIA
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| Posted: Fri Aug 11, 2006 10:48 pm Post subject: |
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Man that looks good---puts mine to shame.I'll try to post photos of myroom when I get back from my job in Nova Scotia
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mack1
Joined: 21 Mar 2006
Posts: 494
Location: SARNIA
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| Posted: Fri Aug 11, 2006 10:48 pm Post subject: |
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Man that looks good---puts mine to shame.I'll try to post photos of myroom when I get back from my job in Nova Scotia
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sat Aug 12, 2006 12:59 am Post subject: |
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What are the advantages of having a stage vs not having one? Why would I need one?
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HD done right!
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Z-Photo
Joined: 07 Mar 2006
Posts: 2749
Location: Huntsville - Alabama
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| Posted: Sat Aug 12, 2006 12:53 pm Post subject: |
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It gives yourkids a perfect place to dance the three light tango.
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The Only GOOD AMPRO - is a Dead AMPRO.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sat Aug 12, 2006 3:37 pm Post subject: |
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| Z-Photo wrote: | | It gives yourkids a perfect place to dance the three light tango. |
If you have a boy and a girl and they're dancing the tango you have to put a stop to that 
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DonKellogg
Joined: 31 May 2006
Posts: 180
Location: Kalamazoo, Mi
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| Posted: Sun Aug 13, 2006 2:53 am Post subject: |
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He's from AL of course they are doing the Tango J/K.... haha
Thank you on the comments It was based professional designs. Having a stage simple helps frame the picture either side will have a false wall up to the screen edges. I'm building the false wall to move the screen forward right now, then on to the side towers for the speakers.
Next I will be building the riser. The riser will probably have 75 sq. ft of insulation. Will be build mostly the same save for the sand.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Aug 13, 2006 3:21 am Post subject: |
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Ahh I see. Just like the commercial thaters
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Chuck27
Joined: 09 Mar 2006
Posts: 379
Location: Caledon Township, Ontario
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| Posted: Mon Aug 14, 2006 12:39 pm Post subject: |
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I am planning a stage for my HT also but I'm wondering about the sand. I can understand that it will pretty much eliminate resonance, but if the speakers, assuming you have floor-standing ones, were not on the stage, would the sand still be necessary?
My plan is for a 16 inch high stage directly under the screen, which will house a centre channel speaker as well as two subs, all completely isolated from the stage itself, and then there will be two shorter wings (10 - 12 inches) on either side of the stage, upon which my tower speakers will be.
I'd thought about filling the wings with sand, but should I consider the centre section also and if so, why? I fear I'll be looking at a touch more than two tons, which is a lot of sand to schlep into the basement.
Thanks....
Chuck
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Chuck
using acreage for sound insulation since 1999
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DonKellogg
Joined: 31 May 2006
Posts: 180
Location: Kalamazoo, Mi
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| Posted: Tue Aug 29, 2006 4:45 am Post subject: |
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if the speakers are not on it then you would still need to pack it with R13 or R30 insulation to prevent resonating. I did my riser the same as my stage except it's packed with 4 rolls of R30 insulation. I turned it into a large bass trap using two register covers  Hemlotz Resonantor baby...
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Chuck27
Joined: 09 Mar 2006
Posts: 379
Location: Caledon Township, Ontario
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| Posted: Tue Aug 29, 2006 12:34 pm Post subject: |
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Can I assume, then, that you used the insulation to broaden the bandwidth of the Helmholtz resonator?
It's a great idea, actually, to do bass absorption that way. Did doing that negate or reduce the need for bass traps? What resonant frequency were you targeting? And...why the riser and not the stage?
I apologize in advance for all the questions but making something do two jobs at once intrigues me and I had not previously considered using the infrastructure for sound control.
Chuck
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using acreage for sound insulation since 1999
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