First reflection point location... - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 21 Old 02-18-09, 02:32 PM Thread Starter
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Re: First reflection point location...

4" panels...

Okay, I am starting my 4" panels for the rear of the room.

What is the least acoustically destructive way to secure (sandwich) the 2 2" panels together?

I had thought about gluing, but that would be bad, longer screws might work, but there has to be another way...

Suggestions?

kirby
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post #12 of 21 Old 02-18-09, 02:35 PM
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Re: First reflection point location...

No real need to attach them in any way. If you're going to frame them (recommended) they'll friction fit into the frame and the cloth will hold it in place.

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post #13 of 21 Old 02-18-09, 04:46 PM Thread Starter
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bpape wrote: View Post
No real need to attach them in any way. If you're going to frame them (recommended) they'll friction fit into the frame and the cloth will hold it in place.
Thanks for the reply.
I am using speaker fabric so I don't think it will do much to maintain the alignment. These panels are also 6' tall made from a panel and a half so I guess I need to build the frame for support. If I were to insist on securing them what do you suggest?

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post #14 of 21 Old 02-18-09, 04:56 PM
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Re: First reflection point location...

Use something like Scotch 77 spray adhesive.

Bryan

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post #15 of 21 Old 02-16-15, 09:07 AM
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Re: First reflection point location...

Bryan

My mains are towers & located on a front stage 10 inches above floor. By removing front feet I was able to angle speakers down forward towards seated mlp. I am trying to locate ceiling panel positions. Given speaker height does this change your recommendation ie straight line left speaker to left seat & straight line right speaker to right seat?

Mains- Goldenear Triton One's
Center Channel- Goldenear Super Centre XL
Surrounds- Goldenear SuperSat 50's
Back Surrounds- Goldenear SuperSat 50c's
Atmos -4 x Goldenear HTR 7000's
Amps- Bryston 4Bsst2/Emotiva XPA-5/2 x Marantz M7025's
Processor-Marantz AV7703 Preamp
Projector- Sony VPL-HW55ES
Screen- Elunevision 140 inch 4K Audio Weave
Bluray/Universal player-OPPO 105D
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post #16 of 21 Old 02-16-15, 09:15 AM
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Re: First reflection point location...

Not sure what you're asking - sorry - not enough coffee yet I guess....

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post #17 of 21 Old 02-16-15, 09:32 AM
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Re: First reflection point location...

I had 2 cups already so my caffeine already kicked in I guess. Hanging 242 panels on ceiling. I noticed in an earlier post you mentioned to draw line between left speaker & left seat & locate the mid point straight up & locate left panel there. The same for the right side. My question is my tweeters are 64 inches above floor located on front stage. Tweeters are above seated ear height so I angled down tweeters towards mlp. Does your rule still apply or do I need to make modifications. Note your earlier post was from 2009. Not sure if rule has changed.

Mains- Goldenear Triton One's
Center Channel- Goldenear Super Centre XL
Surrounds- Goldenear SuperSat 50's
Back Surrounds- Goldenear SuperSat 50c's
Atmos -4 x Goldenear HTR 7000's
Amps- Bryston 4Bsst2/Emotiva XPA-5/2 x Marantz M7025's
Processor-Marantz AV7703 Preamp
Projector- Sony VPL-HW55ES
Screen- Elunevision 140 inch 4K Audio Weave
Bluray/Universal player-OPPO 105D
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post #18 of 21 Old 02-16-15, 09:44 AM
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Re: First reflection point location...

That method only works if mid/tweet are at approximately ear level. With them up higher, the points will be closer to the speakers and not 1/2 along the diagonal. Understand you also have to do between that left and right point.

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post #19 of 21 Old 02-16-15, 10:00 AM
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Re: First reflection point location...

How should I determine panel location for higher tweeters? Currently the front edge of 242 panel is approx 5 1/2 ft from tweeter

Mains- Goldenear Triton One's
Center Channel- Goldenear Super Centre XL
Surrounds- Goldenear SuperSat 50's
Back Surrounds- Goldenear SuperSat 50c's
Atmos -4 x Goldenear HTR 7000's
Amps- Bryston 4Bsst2/Emotiva XPA-5/2 x Marantz M7025's
Processor-Marantz AV7703 Preamp
Projector- Sony VPL-HW55ES
Screen- Elunevision 140 inch 4K Audio Weave
Bluray/Universal player-OPPO 105D
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post #20 of 21 Old 02-16-15, 10:20 AM
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Re: First reflection point location...

Either do the trig or use the mirror trick on the ceiling.

I am serious... and don't call me Shirley.

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