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My new HT-room project
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Sun May 15, 2011 10:49 am    Post subject: Reply with quote


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Ile wrote:
Next I should bear all those bricks and concrete blocks from cellar to somewhere. There's few cubic meters of that crap. Thumbs Down
It took few days and around 60 wheelbarrows to clear cellar to neighbors yard. Very Happy
Full bricks was not included those are now cleaned and piled up at my terrace.

Now I have started to brick up four pillars to support new concrete floor.



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Tedd



Joined: 18 May 2006
Posts: 156
Location: Ontario


PostLink    Posted: Sun May 15, 2011 12:39 pm    Post subject: Reply with quote

The PVC piping is for cable runs, or was venting for the cellar?
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Sun May 15, 2011 2:09 pm    Post subject: Reply with quote

Tedd wrote:
The PVC piping is for cable runs, or was venting for the cellar?

It's new venting for cellar so I get it dry after winter or when vegetables are carried in at fall. Wink
Even cellar is made lower and used as a subwoofer enclosure, it still can be used as a potato cellar if needed.

Normally cellar vents would be closed during summer and winter, so temp will be around 5-10 C all the time.

There will be smaller tubing for AC for cellar lights and for subwoofer cables.
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Spanky Ham



Joined: 22 Mar 2006
Posts: 5634
Location: Comedy Central


PostLink    Posted: Sun May 15, 2011 6:56 pm    Post subject: Reply with quote

Did you say A/C?
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Mon May 16, 2011 7:00 am    Post subject: Reply with quote

Spanky Ham wrote:
Did you say A/C?

No, I meant small tubing for mains (230V AC).
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Mon Jun 20, 2011 7:18 am    Post subject: Reply with quote

I bricked pillars and brushed stucco to pillars and cellar walls. Started to make concrete mold for subwoofer enclosures top surface (cellar ceiling).


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Last edited by Ile on Sat Aug 06, 2011 4:01 pm; edited 1 time in total
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Sat Aug 06, 2011 9:32 am    Post subject: Reply with quote

Haven't updated this for while, summer have been quite busy time.

Got mold ready for floor and made molds for subwoofer elements. Then little steel reinforcement and concrete pouring.
Now it need to harden few days under plastic and then I can remove mold under it.



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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Thu Aug 11, 2011 8:01 pm    Post subject: Reply with quote

Got mold removed. I was bit worried how element embeddings will come off, but those look good and there shouldn't be any problems with sealing.


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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Tue Sep 27, 2011 12:25 pm    Post subject: Reply with quote

Treated element embeddings with polyester resin to prevent concrete chips going to element suspension during installation. It should also prevent moisture from cellar to theater.

Colored polyester with carbon black pigment (from my sauna stove) around elements. Very Happy

Made element clamps out of stainless steel tube and installed elements for first testing. Subwoofer sounds great and it seem to have enough capability for my smallish theater, even room size is going to be doubled soon. Amp power meter was flickering around 2.2 W with my normal listening level, so no need to worry about bottoming out those drivers. Very Happy

Room need acoustic treatments as expected from bare concrete floor and 3 brick/concrete walls.

Sound insulation agains rest of the house (bricked wall, no doors) seem to be pretty good, so no extra work in that area.



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WanMan



Joined: 19 Mar 2006
Posts: 10261



PostLink    Posted: Tue Sep 27, 2011 1:08 pm    Post subject: Reply with quote

Now you just need to test it with brown noise.
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Trust no one. Absolutely no one. Advice of the board.
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Ile



Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland


PostLink    Posted: Tue Sep 27, 2011 1:26 pm    Post subject: Reply with quote

WanMan wrote:
Now you just need to test it with brown noise.

I already found that classic South park episode for evening. Wink
http://www.southparkstudios.com/clips/151766/the-brown-noise
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