Approx Screen Gain White Wall - AVS Forum
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post #1 of 4 Old 01-02-2012, 05:19 PM - Thread Starter
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I've tried all sorts of searches and have been unable to find an answer to my question. Has anyone ever done a test to see the approximate screen gain that you get from a white wall? Obviously it would change depending on the type of paint, but a general idea would be great. I'm trying to figure out how much brighter my image will be with a finished screen then it currently is on my wall.
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post #2 of 4 Old 01-02-2012, 05:42 PM
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a quality ultra pure white... approx .925
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post #3 of 4 Old 01-02-2012, 07:21 PM
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......so imagine what a good DIY Screen providing a 1.2 to 1.5 gain surface can bring into the equation. Low Lamp all the time....plenty of room for Contrast oriented calibration....

What's not to love?

Now add some Gray and make your Day. Now you can watch it Night & Day.

To quote James T. Kirk;
"I'm laughing at the superior intellect"
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post #4 of 4 Old 01-02-2012, 10:30 PM - Thread Starter
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Quote:
Originally Posted by MississippiMan View Post

......so imagine what a good DIY Screen providing a 1.2 to 1.5 gain surface can bring into the equation. Low Lamp all the time....plenty of room for Contrast oriented calibration....

What's not to love?

Now add some Gray and make your Day. Now you can watch it Night & Day.

That sounds good to me. If a pure white wall is actually that close to a gain of 1 im guessing my wall is a lot less. Its a dull cream color and I think the image looks great at night, but not so great during the day. My biggest worry is I have an ae4000u and on cinema 1 + econo mode it looks so good I'm not sure I could live with it if I have to change to Dynamic and take off econo as the bulb gets older. I'm hoping that my wall right now is around .8 gain so later when I'm running around 1.4 I'll have enough light that it will still look good at the end of the bulb life in cinema 1.
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