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#297215 - 03/18/10 10:37 AM acoustical treatments
MML Offline
old hand

Registered: 12/15/06
Posts: 71
i want to build my own, who has built their own and what materials were involved.
thanks.

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#297262 - 03/18/10 07:38 PM Re: acoustical treatments [Re: MML]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7786
Loc: Canada
Depends what you want to do. For trapping, use high density glass (3lb per cu.ft.). Carpet on bare floor at first reflection points. Difusion is a little more complicated.

There are some good articles on treating rooms at audioholics.com.

I gave up on my concrete bunker because I don't have the room and I would need to treat a LOT.
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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!

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#297322 - 03/19/10 08:20 AM Re: acoustical treatments [Re: fredk]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13579
Loc: Iowa
me, owens corning 703, pictures on website.
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#297339 - 03/19/10 10:53 AM Re: acoustical treatments [Re: SirQuack]
BWeasner Offline
old hand

Registered: 08/24/09
Posts: 71
I used a brand equivalent to owens corning 703

Basic construction info from my HT can be found in a thread on these forums (about 1/4 the way down the page):

http://www.axiomaudio.com/boards/ubbthreads.php?ubb=showflat&Number=278784&fpart=2

I can send you more detailed info upon request

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#297366 - 03/19/10 01:44 PM Re: acoustical treatments [Re: BWeasner]
Slitman Offline
enthusiast

Registered: 08/15/06
Posts: 34
Loc: Markham, Ontario
Bweasner,

I'd be interested in knowing the details of the construction. Unfortunately finding Corning 703 in Markham, Canada isn't so easy.

I also went with a red colour on my walls. Are you noticing much difference in the accoustics now that you have your panels up ?
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#297369 - 03/19/10 01:54 PM Re: acoustical treatments [Re: Slitman]
BWeasner Offline
old hand

Registered: 08/24/09
Posts: 71
BIG difference in sound quality. I guess my room is a lot like fredk's...a concrete bunker (laughed out loud at this, never thought of my basement this way \:\) ) After I installed all the drywall in the room, the smallest sounds would echo like crazy. Even dropping a drillbit sounded thunderous.

Now, I hear no echos or muddiness at all in the theater (except for a litte bit of reverb coming from the untreated stairwell, but I don't think there is anything I can do about this). It is nice to be able to have a conversation in that room (no movie or music playing, of course) and not hear your voice echo at least two or three times.

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#297372 - 03/19/10 02:31 PM Re: acoustical treatments [Re: BWeasner]
MML Offline
old hand

Registered: 12/15/06
Posts: 71
great looking panels!
simple and inexpensive to build
do you think i can get away with shallower ones, say an inch in depth. i prefer a more subtle panel

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#297380 - 03/19/10 03:12 PM Re: acoustical treatments [Re: MML]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3466
Loc: Western Maryland, USA
The thickness of the panel is directly related to the lower frequencies it can trap.
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#297383 - 03/19/10 03:28 PM Re: acoustical treatments [Re: ClubNeon]
BWeasner Offline
old hand

Registered: 08/24/09
Posts: 71
 Originally Posted By: ClubNeon
The thickness of the panel is directly related to the lower frequencies it can trap.


Exactly! I think that the recommended thickness for the lowest frequencies (bass traps) is AT LEAST 4-6" of fiberglass. ClubNeon, do you know?

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#297384 - 03/19/10 03:32 PM Re: acoustical treatments [Re: ClubNeon]
MML Offline
old hand

Registered: 12/15/06
Posts: 71
is this one of those things that something is better than nothing. i don't think it'll sound any worse with diy panels??....

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