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Author Thread: THX baffle wall
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Andy Summers
Gold Member
Username: Thx_3417


Bournemouth ...

Post Number: 2756
Registered: May-05
Posted on Saturday, December 30, 2006 - 05:37 am:    Edit Post
The THX baffle wall is one of the integral parts of the THX sound system in cinemas that creates some part of the movie magic experience it not only improves of frequency response of the loudspeaker array that is placed into the flush barrier wall but it is also covered High frequency absorbent material so prevent high frequencies bouncing of the screen and then returning back to baffle wall creating a harsh tingling sound that makes the soundtrack too bright.


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You can learn more about this in this video interview with Tomlinson Holman.

THX baffle wall and mathematics!

http://delivery.acm.org/10.1145/1040000/1037867/supp/tomholman2.mov?key1=1037867&key2=8920747611&coll=GUIDE&dl=GUIDE&CFID=3242816&CFTOKEN=92081103

Here’s a few pictures to get total understand of what it looks like.

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Andy Summers
Gold Member
Username: Thx_3417


Bournemouth ...

Post Number: 2764
Registered: May-05
Posted on Saturday, December 30, 2006 - 09:13 am:    Edit Post
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Another view of the THX baffle wall and yes those are JBL loudspeakers.
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Casey
Silver Member
Username: Mccambley

BREEZY POINT, NY
USA

Post Number: 321
Registered: Jun-05
Posted on Saturday, December 30, 2006 - 07:57 pm:    Edit Post
What would be the cost to do something like this on a smaller scale for home use.
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Andy Summers
Gold Member
Username: Thx_3417


Bournemouth ...

Post Number: 2766
Registered: May-05
Posted on Sunday, December 31, 2006 - 12:29 pm:    Edit Post
Casey

For the home you could use plasterboard and timbre or MDF for the baffle wall with each section cut to size that is cut for size for the loudspeaker arrays and sub bass as you can clearly see from the above images.

Finding the absorbent martial to cover the front of the wall from side to side and top to bottom. It would make a great project.

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Behind the THX baffle wall at Pinewood studios.

I plan to build mine sometime soon in the New Year.
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