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post #1 of 5 Old 08-29-2012, 11:53 AM - Thread Starter
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So I'm in the process of building my home theater and the room size is fixed at 12' wide by about 21'.

The projector I plan on using is a Panasonic AE7000 and I think the screen will be a 1.2 gain screen (Centerstage XD material from Jamestown).

I really like a large screen and tend to sit near the front of movie theaters. I would like to put in a 120" wide screen but that puts me at about a foot from the side wall (image area).
I've heard that reflection off the side walls and ceiling make this a bad idea.... but how bad?

I dont want the image to look terrible, but i'm probably not as picky as some. Also are there mitigations I can make to make this a successful choice? I dont mind mounting velvet on the walls at the front of the room (maybe the first 2-3 feet) but I wouldnt want an entirely black room. The colors will probably be dark colors though...

This is currently my plan. Am I making a mistake?
Thoughts?

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post #2 of 5 Old 08-29-2012, 06:26 PM
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Depends on color and paint type of walls. Can always put an acoustical panel with dark fabric on those walls pending speaker placement. I am assuming an AT screen or you will put speakers under screen. A curved screen may also help.

1500 - 1800 lumens with a 1.2 gain screen should light the candle!

With a 21' long room throw distance will not be an issue.

First row head position should be about 14' from screen.

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post #3 of 5 Old 08-30-2012, 06:28 AM
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Quote:
Originally Posted by fcaico View Post

So I'm in the process of building my home theater and the room size is fixed at 12' wide by about 21'.
The projector I plan on using is a Panasonic AE7000 and I think the screen will be a 1.2 gain screen (Centerstage XD material from Jamestown).
I really like a large screen and tend to sit near the front of movie theaters. I would like to put in a 120" wide screen but that puts me at about a foot from the side wall (image area).
I've heard that reflection off the side walls and ceiling make this a bad idea.... but how bad?
I dont want the image to look terrible, but i'm probably not as picky as some. Also are there mitigations I can make to make this a successful choice? I dont mind mounting velvet on the walls at the front of the room (maybe the first 2-3 feet) but I wouldnt want an entirely black room. The colors will probably be dark colors though...
This is currently my plan. Am I making a mistake?
Thoughts?

I would use a multiplier of 1.0 rather than 1.2 when calculating the Foot Lamberts for that screen.

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post #4 of 5 Old 08-30-2012, 10:52 AM
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I dont want the image to look terrible, but i'm probably not as picky as some.

This is my view as well....my room is 12.5 feet wide......I have a 150" screen....with the worse conditions, white walls,ceilings and light carpet, I'm satisified with the picture...I know it can be better but sometimes you have to make sacrifices.....looks like you won't have too as you can paint your walls dark, if I were you I'd consider an AT screen and larger than 120" screen.....135" or even like me 150"

Here is a picture when I was using a 720p Epson 810 projector....tons of light reflection...but still watchable...... Screen.jpg 788k .jpg file
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post #5 of 5 Old 08-30-2012, 12:52 PM - Thread Starter
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Yeah, the Centerstage XD material is AT.
I plan on placing my LCR speakers behind the screen.

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