Re: David's advice - Dan_ed - Room Acoustics Forum by Rives Audio

Room Acoustics Forum by Rives Audio

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Re: David's advice

In Reply to: David's advice posted by bartc on May 30, 2005 at 17:35:41:

I finished up last night with two of the lenses positioned behind the speakers and in the path of the reflected wave from the first reflection point of the front wall. This seemed to give me the most impact on depth. Tonight I think I will move my equipment rack off-center and try the third lens in the middle position along with the other 2. I tried the third lens directly behind me since my listening position is now 4' from the back wall. I was surprised that I didn't really notice it was there.
It also occurs to me that my first reflection points with the most impact are probably the ceiling and floor. Since the floor is berber over concrete I might be able to improve on that with a couple of heavy throw rugs. The ceiling is where I have the most work to do. It is a drop ceiling using those cheezy, pressed fiber tiles. I have also not investigated the wall to ceiling transition points, but I gather that I should address the ceiling absorption first since getting that right might also take care of the wall/ceiling interfaces.
Another issue that I found last night was that when I do the hand clap test I get reverberation from the stem of my L-shaped room, which is to the left of my listening position. I tried moving some absorption panels down there against the wall that faces toward the listening position but this did not seem to make any difference. Perhaps diffusion is what is needed.
All in all, I'm pretty happy with my set-up. It does make a compromise with width of the soundstage as there is not much on either side of the speakers to help create the illusion of width. Even so the stage is close to 14' wide. So I'm concentrating more on the depth or what is heard between the speakers.

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Follow Ups Full Thread

Topic - Room lense placement - Dan_ed 06:51:31 05/30/05 (11)

David's advice - bartc 17:35:41 05/30/05 (5)

Re: David's advice - Dan_ed 09:51:24 05/31/05 (4)

Re: David's advice - David Aiken 20:05:24 05/31/05 (1)

I'm probably making a bigger deal out of it than it really is. - Dan_ed 08:33:14 06/01/05 (0)

Further ideas - bartc 17:14:05 05/31/05 (1)

Nice thing is - Dan_ed 08:53:49 06/01/05 (0)

I'm going to simplify here - bartc 07:53:53 05/30/05 (4)

Thanks, bartc! This makes perfect sense. - Dan_ed 09:16:19 05/30/05 (3)

Re: Thanks, bartc! This makes perfect sense. - David Aiken 14:20:36 05/30/05 (2)

Thanks for "piping" up, David! - Dan_ed 15:50:48 05/30/05 (1)

Re: Thanks for "piping" up, David! - David Aiken 23:18:25 05/30/05 (0)

Follow Ups

Re: David's advice - Dan_ed 09:51:24 05/31/05 (4)

Re: David's advice - David Aiken 20:05:24 05/31/05 (1)

I'm probably making a bigger deal out of it than it really is. - Dan_ed 08:33:14 06/01/05 (0)

Further ideas - bartc 17:14:05 05/31/05 (1)

Nice thing is - Dan_ed 08:53:49 06/01/05 (0)

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