tarsia Posted November 11, 2002 Share Posted November 11, 2002 Looking for some help here, we are building a new studio / live rehearsal room - basically a room with-in a room, we're doing 6" walls with isolated wall studs (snake wall), soundboard & 5/8" drywall on all internal & external walls with at least a 4" air gap between the outside of the inner room and the existing walls - basically we're building a 16'X 16' room within a existing garage...... the problem is how to air condition this and still keep a sound isolation for live band practice, we are in Arizona and it gets Damn hot! We were told that any hole thru the shell compromises the isolation - we've been thinking about baffling the exhaust side of a large window A/C unit & installing some "muffin type" fans to aid the exhaust and dumping that into the attic of the garage area - by the way this is a 3 car garage area . any Idea's ???????????? I'm Todbass62 on MySpace Link to comment Share on other sites More sharing options...
Lee Flier Posted November 11, 2002 Share Posted November 11, 2002 Wow, that's gonna be tough... my studio is not air conditioned, and I'm in Georgia, but it's in a basement so there is no heat coming in from the roof and being underground really regulates the temperature. That's all we need is a couple of box fans while rehearsing and we're fine. Other than coating your roof with white dolomite and using reflective barrier to minimize reflected heat from the roof, I'm not sure what you could do. Link to comment Share on other sites More sharing options...
Anifa Posted November 11, 2002 Share Posted November 11, 2002 Here is a link [url=http://www.acoustics101.com/components_gateway.htm]Acoustics 101[/url] relative to your exact need. This information is provided by the Auralex Acoustics Inc. Hope this helps. I'm going to add this page link to the "Acoustics" page link on my site so I'll have it available when I decide to build a new studio in my garage :D You can take the man away from his music, but you can't take the music out of the man. Books by Craig Anderton through Amazon Sweetwater: Bruce Swedien\'s "Make Mine Music" Link to comment Share on other sites More sharing options...
tarsia Posted November 12, 2002 Author Share Posted November 12, 2002 Bumping to the top >>>>>>>>>>> hoping for some more ideas or input :wave: I'm Todbass62 on MySpace Link to comment Share on other sites More sharing options...
halljams Posted November 12, 2002 Share Posted November 12, 2002 [quote]Originally posted by tarsia: [b]Bumping to the top >>>>>>>>>>> hoping for some more ideas or input :wave: [/b][/quote]You can insulate the inside of the plenums and the ducts with a 1-2inch acoustic type insulation and make as many 90 turns as possible while also running as long of ducts as possible. There are also filters you can put at the junctions of the furnace/air cond plenums to help stop sound transmission. Remember the intake duct is probly the loudest as it is the one going to the actual fan. Use acoustic calking at all openings in the walls(drywall) for the ducts,plugs,switches, door frames etc and make sure the ducts are all firmly mounted so as not to rattle or shake.You can also put hockey pucks(or neoprene) under the AC unit itself to raise it off the floor and stop disturbing rumble. :) Check out SUPERVIBE Link to comment Share on other sites More sharing options...
DC Posted November 12, 2002 Share Posted November 12, 2002 You're doing what I already did; building a room inside a room. Mine's 24' x 24' on the outside and around 22' x 22' on the inside. Very good soundproofing, trapping that air in the walls. I have no heat or AC in mine due to the noise factor. Karasene heater in the middle of winter, door open with huge window AC unit in the next room in the summer. Turn off the AC and bake when tracking vocals. The secret to moving air quietly is huge piping with baffles. What creates the noise is smaller pipes so the air rush is really audible. The quick and dirty solution would be a wall unit with a gobo absorber in front of it and maybe some heavy curtains directly in front with quiet fans circulating the air out from the sides. You'd still have to kill it when tracking vocals probably. The good fix would be a central air unit located on the other side of the house with huge baffled pipes delivering the cold air to huge vents in the room. That's how the big studios do it. You can also put dry ice in several buckets with quiet fans over them for silent cooling. Should last all day. :D -David http://www.garageband.com/artist/MichaelangelosMuse Link to comment Share on other sites More sharing options...
Yuri T. Posted November 12, 2002 Share Posted November 12, 2002 One thing, if you haven't started building this yet change the dimensions of one wall!! Having two walls of the same dimensions will bring you loads of buildup at certain frequencies that you'll never be able to fix. There is readily available internally insulated ductwork available for this made by Owens Corning and Knauf. Other issues are the size of the vents. Larger vents are quieter. Many use the long slot type vents as well. Also the ductwork should have bends put into to to reduce the amount of fan noise. A straight duct will not block any direct noise from the fan. HVAC for studios is a major consideration. Link to comment Share on other sites More sharing options...
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