THX Style Baffle Walls for AT Screens - Page 10 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #91 of 181 Old 02-21-11, 06:22 PM
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Re: THX Style Baffle Walls for AT Screens

Thanks Simon...Yes..this is what Mark advised, so I'll be going with that..besides, it will be a lot easier than trying to glue it on!

Prof..
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post #92 of 181 Old 02-22-11, 05:31 PM
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Re: THX Style Baffle Walls for AT Screens

Baffle wall covered with the car carpet..



Speakers in position.



The new AT screen installed..



I'll be re-calibrating the sound system over the next couple of days with MCACC and an SPL meter..
I don't expect to get a correct balance for a few days until the new centre speaker has worked in..

I did an initial calibration last night and briefly watched a movie..The first thing I noticed was that in one of the scenes where there were a group of people in a room, the ambient sounds were well projected from the left and right hand sides of the screen into the room, giving more of a feeling of being there..

Tonal quality was quite different than I've been used to, as my fronts were previously mounted above the screen..and the EQ will definitely need some further adjustment..

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post #93 of 181 Old 02-22-11, 05:41 PM
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Re: THX Style Baffle Walls for AT Screens

The end result looks fantastic Prof! Great job


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post #94 of 181 Old 02-22-11, 05:59 PM
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Re: THX Style Baffle Walls for AT Screens

Thanks very much Simon...

I can't wait to get everything tuned in to hear the end result..
I did notice last night that there is a good spread of voices across the screen, right where they are positioned!

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post #95 of 181 Old 02-22-11, 06:29 PM Thread Starter
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Re: THX Style Baffle Walls for AT Screens

That looks very cool Prof and I am sure you will love how the sound and picture matches. Just one thing, I would have placed the L and R speakers in a bit. If you didn't want them inside the 1.78:1 area as I did, I would have made the three panels the same. If it were mine, I'd be reversing the L and R panels.

Anyway, listen to it first and lets us all know how this sounds. It looks terrific. Job well done.
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post #96 of 181 Old 02-22-11, 06:50 PM
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Re: THX Style Baffle Walls for AT Screens

Nice job Prof! That came out nice. My personal suggestion would still be to stuff the ports with cotton balls especially since they are hidden. Those ports are you only real source of diffraction and if you kill it, it should be a truly top notch speaker. Absurdly good for the cost.
Look here:
http://dtmblabber.blogspot.com/2011/...ar-graphs.html

Not a subtle improvement.

Dan
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post #97 of 181 Old 02-22-11, 06:51 PM
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Re: THX Style Baffle Walls for AT Screens

Thanks Mark and thanks for all your help..

Quote:
Mark Techer wrote: View Post
Just one thing, I would have placed the L and R speakers in a bit.
Aha!..I wondered whether you would pick up on that!?..In actual fact the L&R speakers are inside the 16:9 image! The screen actually extends past the outside of the main frame!

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post #98 of 181 Old 02-22-11, 06:57 PM
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Re: THX Style Baffle Walls for AT Screens

Thanks Dan.

Quote:
DanTheMan wrote: View Post
My personal suggestion would still be to stuff the ports with cotton balls especially since they are hidden. Those ports are you only real source of diffraction and if you kill it, it should be a truly top notch speaker. Absurdly good for the cost.
Look here:
http://dtmblabber.blogspot.com/2011/...ar-graphs.html

Not a subtle improvement.

Dan
Wouldn't stuffing the ports with cotton balls tend to raise the resonant frequency of the base/mid driver, or is this negligible?

Prof..
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post #99 of 181 Old 02-22-11, 07:10 PM
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Re: THX Style Baffle Walls for AT Screens

You welcome Prof! Just keep going on this thread. I'm enjoying it.

It's pretty subtle: http://dtmblabber.blogspot.com/2010/...enclosure.html

The improvement in treble clarity isn't make r break, but to me it's more audible than the dB you loose in bass. You have subs right?

I think the only reason Behringer put those ports in there is to make them look like the Genelecs that have nearly identical looking graphs and looks.

Dan
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post #100 of 181 Old 02-22-11, 07:17 PM
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Re: THX Style Baffle Walls for AT Screens

When I get the speakers dialed in, I'll give the cotton balls a try..
I take it that they are just loosely fitted..not jammed in?

Prof..
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