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New Room acoustics advice needed

63.214.229.105
Posted on August 11, 2009 at 16:51:29
used-hifi
Audiophile

Posts: 208
Location: Chicago IL
Joined: March 18, 2003






























Hi David..Ethan... guys...

Here is my remodeled Room as you can see its a mess I still need to finish the small stuff

I have plenty of 705 and 705 frk backed fibreglass for first reflection points and bass traping(nothing installed yet) the back wall has mid/hi diffusers.. front wall will have diaphragmatic bass absorbers(acoustat monitor 4's on top monitor 3's)

my listening position is at the 38% from the back wall my fulton speakers measured/sounded best about 25" from the front wall no 38% here


Ok so the question is what should i do about the pole and the splayed ceiling?? should i treat that??

looking for interesting ideas to make this room sound best...

the room is 25L X 14W X 8 1/2H

Thanks guys..

Lawrence

RE: New Room acoustics advice needed, posted on August 12, 2009 at 12:09:31
Ethan Winer
Manufacturer

Posts: 1554
Location: New Milford, CT USA
Joined: December 3, 2003
 David has the right answer. Small stuff like a pole is inconsequential. Large surfaces at reflection points benefit from absorption, but I'm not convinced your ceiling thing-a-ma-bob is really a problem.

--Ethan

RE: New Room acoustics advice needed, posted on August 11, 2009 at 20:10:02
David Aiken
Audiophile

Posts: 5109
Location: Brisbane
Joined: September 25, 1999
 If you're getting a strong first reflection from the ceiling, especially from the low horizontal part, then I'd definitely treat it, as I would if the ceiling shape is causing some other audible problem. The same goes for the pole. If it causes an audible problem, treat it. If not, then why treat it any differently from any other part of the room which is untreated because there's no specific reason to treat it?

There are certainly arguments which can be made for some ceiling treatment though I have none in my room simply because I don't want to have to place screws or something similar in the ceiling to hold the treatments. All of my treatments are effectively free standing and not directly mounted to the walls. If you want to treat the ceiling first reflection points or add diffusion to a different part of the ceiling (I would not use diffusion at a first reflection point), then go ahead but a room also needs reflective surfaces. I suspect different people will prefer different balances of absorptive and reflective areas in a room and it's certainly worth your adding treatment up to the point where adding more will tip the ratio of absorption to reflection in the wrong direction for you but, as a general rule. The aim is to get the sort of sound you want to get and treatment is only valuable while it's producing results which get you closer to the sound you want.


David Aiken

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