#990182 - 08/06/05 12:05 PM
Room construction
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hthaller
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Registered: 08/06/05
Posts: 9
Loc: Hamilton,, New York
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I'm building out a listening room in my basement and, because we have a smallish home, the room will have to do double duty as a recreational space. Thus, the design constraints dictate an overall 20' x 22' space - not a great start for control of standing waves.
The rear wall of the room, however, is not framed next to the block walls to allow for a 4' hallway to access a stairwell. I'm considering leaving the two rear corners of the room "open" by not sheetrocking an 18" section of wall at the intersection of each corner. Rather, I'd construct frames covered with grill cloth to insert into the openings, pack the wall cavity behind them with fiberglass, leaving the other side of the wall uncovered.
My question: While I don't expect to avoid the need for bass traps entirely, is this a viable option for controlling bass resonance?
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#990183 - 08/06/05 08:31 PM
Re: Room construction
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bdbklyn
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Registered: 04/04/01
Posts: 1035
Loc: Los Angeles,CA,UNITED STATES
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I'm a bit unsure of what you are asking. Is the backwall cavity the 4' hallway?
Bill
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#990184 - 08/07/05 05:15 PM
Re: Room construction
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hthaller
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Registered: 08/06/05
Posts: 9
Loc: Hamilton,, New York
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Yes.
It runs parallel to the back wall.
Howard
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#990185 - 08/08/05 01:31 PM
Re: Room construction
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bdbklyn
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Registered: 04/04/01
Posts: 1035
Loc: Los Angeles,CA,UNITED STATES
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We had a similar situation with the back of studio A at Extacy formerly One On One in the valley. when we rebuilty the room, Gary Star employed a Helmholst slot resonator in that back wall which really evened out the low end on that room. The slots 3/4" wides and 12" long and spaced every 12 "were made using a router in 1/2" plywood. A second layer of plywood was also cut with slots and those pieces were cut 6 inches narrower so that in could be overlapped in a way to change the width of the slots and was installed in such a way to effectively "tune" the room.
Bill Dooley
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#990186 - 08/08/05 04:28 PM
Re: Room construction
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Bill@Welcome Home Studios
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Registered: 08/23/03
Posts: 7294
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Originally posted by hthaller:
My question: While I don't expect to avoid the need for bass traps entirely, is this a viable option for controlling bass resonance?
Suggestion... when you build the room, instead of building sheetrock walls, build walls that are small sealed chambers, with faces that alternate between 1/4", 1/8", and cloth facings. Fill these sealed chambers with 703, 705, or some other manufacturer's equivalent. (Making sure that the insulation doers not touch the front panels, and the panels are free to vibrate.) Then you will have built bass traps into the room.
I used luan panels for the traps that I built... attractive and reasonably priced sheet lumber. It would have been very simple to have built them into the walls instead of mounting them on the walls, and I would have saves a lot of room space.
Bill
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