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

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post #1 of 21 Old 02-14-09, 01:26 PM Thread Starter
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Kirby
 
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First reflection point location...

Okay;
Just trying to confirm this...

To locate the first reflection point for the acoustic panels, sit in the primary seat, and have some one slide a mirror along the wall until you see the speaker.

That is the first reflection point for the primary seat. Correct?

I did that and the relfection point is a lot closer to the screen than I thought it would be.

Any other ways?

Thanks
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post #2 of 21 Old 02-14-09, 02:09 PM
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Re: First reflection point location...

That is is the correct way to do it.


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post #3 of 21 Old 02-14-09, 03:41 PM
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Re: First reflection point location...

Just remember that you have a point for each speaker, on each wall, for each seat.

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

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post #4 of 21 Old 02-14-09, 07:02 PM Thread Starter
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Re: First reflection point location...

Quote:
bpape wrote: View Post
Just remember that you have a point for each speaker, on each wall, for each seat.
Yes, but I only care about MY seat...

I positioned the first reflection point, where the main 3-4 of the main seats are covered on the first panel. I have not hung them yet, but the furthest out seat has a little weak coverage for the first point, per speaker of course.

I will post photos in the build thread... (beginning the finish out, now what...)

Kirby
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post #5 of 21 Old 02-14-09, 10:39 PM
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Re: First reflection point location...

Understood. I'm just saying that you have a reflection on the left wall from both the left and right speaker - so even for YOUR seat, you have at least 2 points on each wall.

Bryan

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post #6 of 21 Old 02-14-09, 10:52 PM Thread Starter
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Re: First reflection point location...

Got chu Brian;
the second panel postion per wall will be placed at that point... Hopefully its at a semetric, pleasing location, but I am sure it wont be...
a third panel will be placed on the one wall, the other wall has a door in the way.

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post #7 of 21 Old 02-14-09, 10:54 PM Thread Starter
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Re: First reflection point location...

Quote:
OvalNut wrote: View Post
That is is the correct way to do it.


Tim
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It will be the first sporting event watched in the Theater... hope its all good...

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post #8 of 21 Old 02-14-09, 11:23 PM
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Re: First reflection point location...

And don't forget the Ceiling and floor as well. Assuming the speakers are ear height, you can just split the distance between you and the speaker in half (so you're not trying to slide a mirror across the ceiling).
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post #9 of 21 Old 02-15-09, 08:56 PM Thread Starter
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Re: First reflection point location...

Floor is all carpet, but I have a plan I am looking at for some artistic panels for the ceiling.

Will one panel for each row of seats be sufficient if it spans the whole row or does it need to go wall to wall?

This is good stuff, I wish I could add it to my HT build thread.

Kirby
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post #10 of 21 Old 02-15-09, 09:52 PM
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Re: First reflection point location...

Generally, the ceiling is the last thing to be treated. If you assume that tweeters are at seated ear level, you can draw a line between the left speaker and the left most seat. At the center of that line, go straight up.

Repeat for the right to the right most seat.

As long as you cover those 2 points and between, you'll get them all.

Bryan

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