Reducing Glare from Marquee 9500 - AVS Forum
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post #1 of 22 Old 10-08-2013, 05:07 AM - Thread Starter
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I recently purchased a home that had a home theater; I am currently updating the audio components and have been playing around with the projector, a Marquee 9500, with a Apple TV connected directly to the projector's HDMI card. I have been pretty happy with the video quality thus far, but I did notice that the light from the projector's bulbs/lenses reflect off of the screen and cause a colored glare. I've tried sitting in different parts of the room but the glare was still evident. It doesn't ruin the home theater experience, but it definitely is noticeable.

Are there any methods to reducing or removing the glare from the projector? I'm a CRT novice so any sort of help you can provide is more than appreciated; I've already tried to find some resources online, but only found solutions to reducing glare from windows and lighting.

Thank you!
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post #2 of 22 Old 10-08-2013, 06:39 AM
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Hello

Put up some pictures, we cannot tell you much until we see the problem. Take your pictures after dark so sunlight is not a factor.

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post #3 of 22 Old 10-08-2013, 11:37 AM - Thread Starter
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I forgot to mention that the theater is in the basement and is not subjected to any natural light; when I have been connecting the Apple TV to the projector I have closed the doors and turned off the lights to make the room as dark as possible.

The glare is coming from the projector specifically; I can try to get a photo to you guys tonight, but it could also day a few days.
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post #4 of 22 Old 10-08-2013, 12:25 PM
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Quote:
Originally Posted by FensterBos View Post

The glare is coming from the projector specifically;.
Actually it's not,it's coming from the screen smile.gif
What your describing sounds like hot-spotting,and it's almost always attributed to the wrong screen material for a certain type of projector (different projection technology's require different screen material). I'm going to take a guess and say your screen material is either silver(ized) or some other pearlescent type high-gain (high reflectivity) material? These are typically 2.5 or higher gain and they're terrible with CRT with the exception of Draper High power fabric.
The most common choice for CRT is material in the 1.0 to 1.3 gain which is either flat white or satin-white in appearance.

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post #5 of 22 Old 10-08-2013, 08:04 PM - Thread Starter
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Quote:
Originally Posted by draganm View Post

Actually it's not,it's coming from the screen smile.gif

I am confident in saying that it is a 100" screen (has Vidikron on the frame, but probably just branding) - what I can't tell you is what material the screen actually is. I suppose the screen is more of a "pearlescent" color than flat white.

One thing that I do know is that the gentleman I purchased the home from was very particular about the equipment he installed. Unfortunately, as the pictures will show beneath the screen does reflect light kind of well.






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post #6 of 22 Old 10-08-2013, 08:23 PM
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Can you take pics of the lenses with out the PJ on, into the tubes with an LED flash light lighting up the tube face? Use no flash.

Athanasios
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post #7 of 22 Old 10-08-2013, 10:12 PM
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Defiantly a problem with that old crappy projector... mate just take it down and junk it.... actually i may want to use a few bits off it..... want to sell it to me for 50 bucks???


Shut up everyone cool.giftongue.gif


smile.gif Nah as prev said i'm quite confident its the screen as well (which is a bit wierd being a vidikron and all)


Enjoy the CRT journey its a fun one....not everyone gets to startoff with a 9500!!!!!
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post #8 of 22 Old 10-09-2013, 06:24 AM - Thread Starter
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Originally Posted by mx83toy View Post

want to sell it to me for 50 bucks???

Up the bid about 20X and you have a deal. I even have the box and crate the thing came on - I assume it was similar to the way they transported King Kong.

"Can you take pics of the lenses with out the PJ on, into the tubes with an LED flash light lighting up the tube face? Use no flash."

I can probably get that done tonight or the next day. The projector is on a Chief Lift so I can bring it down a little; I haven't used it yet but I assume it will just kick on a lower the projector for a closer look.

I do not know how much the projector has been serviced, but what are the chances that this is in fact an issue with the projector and/or its settings? Or is this a matter of updating the screen with a cloth more suitable for CRT projection?
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post #9 of 22 Old 10-09-2013, 06:49 AM
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What is your location maybe a marquee owner is near by to help out?

nashou
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post #10 of 22 Old 10-09-2013, 07:07 AM
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Hello

Just hold a white sheet up across the screen, this will prove Dragan's point about pearlescent screens sucking for home use.

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post #11 of 22 Old 10-09-2013, 09:11 AM - Thread Starter
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I'm starting to think that replacing the screen is going to be the logical next step for this home theater. The actual material doesn't look to be too expensive in comparison to the rest of the components I am updating in the theater. I don't think there is anything wrong with the frame - so I should be able to just take the material/screen out and "simply" replace the fabric, right? biggrin.gif
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post #12 of 22 Old 10-09-2013, 11:02 AM - Thread Starter
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post #13 of 22 Old 10-09-2013, 12:54 PM
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That is a 2.35 aspect ratio screen looks like the one you have now is 16x9(1.78) you should get the same size or you will have to move the PJ.

and get a cinewhite material.

http://www.amazon.com/Elite-Screens-ER103H1-Wide-Projection-Screen/dp/B00B2GX98Q/ref=zg_tr_1286610011_2 but in the right size and aspect ratio. you need to measure the screen diagonal.

nashou
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post #14 of 22 Old 10-09-2013, 01:43 PM - Thread Starter
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Since I already have a frame all I need to do is buy a roll of material/fabric, right? Or do you guys recommend just buying the whole shebang (frame, fabric, etc.)?

Update: I actually had selected the 16:9 100" screen in CeniWhite, but for some reason it defaulted to that other screen in grey; same with the URL you listed, Nashou66.
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post #15 of 22 Old 10-09-2013, 02:23 PM
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Ahh do they sell the material all by itself?


There is another alternative.

Look up Hurley Screen. Give them a call matt white material is nice but I think you can go up to about 1.3 gain . the guys there are very knowledgeable and if you tell them you have a frame and what kind they might be able to
find a perfect fit for you. They make screens for the movie theaters etc. I got my 13 foot wide screen for 300 bucks. Yours will be much less.

I use the MW-16 Material

410-879-3022

Athanasios
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post #16 of 22 Old 10-09-2013, 02:57 PM
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Quote:
Originally Posted by FensterBos View Post

One thing that I do know is that the gentleman I purchased the home from was very particular about the equipment he installed. Unfortunately, as the pictures will show beneath the screen does reflect light kind of well.
he was very particular but he was able to watch THAT? eek.gif
I hope the camera is severely exaggerating the problem? What that pic shows looks worse than any hot-spotting I've ever seen.

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post #17 of 22 Old 10-09-2013, 03:33 PM - Thread Starter
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Quote:
Originally Posted by nashou66 View Post

Ahh do they sell the material all by itself?
Athanasios

I looked on some sites and was able to find some rolls of the stuff - overall, most of the good stuff was going for about $65 to $80 for a roll of white, matted material. The higher end stuff was going for $150 to $300 for just the material.

I ended up buying the Elite screen with the frame for a few reasons:

1. Installation - I might have frame already for the material, but I have no idea what is behind that frame and how the material attaches to the frame. Buying everything together will most likely save me the hassle of needing to run to a store or trying to find "how-to" directions online.
2. Timing - My wife is going out of town this weekend, which gives me all the time I want to set up my home theater. Thanks to Amazon Prime Two-Day Shipping I just got my Sunday project.
3. Return Elite or Sell Current Screen - I'm happy to either return the Elite screen or sell the current screen after I take it down.
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post #18 of 22 Old 10-21-2013, 10:56 PM
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Update us man... hey another thing i thought, if direct sunlight has sat on the lenses it can cook the c element.... do the white paper thing to test man
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post #19 of 22 Old 10-22-2013, 10:11 AM - Thread Starter
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Crazy - I thought I did send an update, but maybe it didn't go through.

Well, I installed the Elite 100" CineWhite last weekend and WHOA what a big difference right away. I do not have the best comparison photo to send at the moment, but here is one I took from Game 6 of the ALCS series. You can clearly see a significant different in the before and after:

Before:


After:


Thank you for all your help!
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post #20 of 22 Old 10-22-2013, 10:26 AM
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Looks good!!! Hope it runs for years!!

Keep an eye on the Bellows so they are not sweating. wink.gif

nashou
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post #21 of 22 Old 10-22-2013, 01:24 PM - Thread Starter
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Quote:
Originally Posted by nashou66 View Post

Looks good!!! Hope it runs for years!!
nashou

I hope so too - I don't think I could put anymore money into this home theater without getting kicked out of the house.
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post #22 of 22 Old 11-06-2013, 08:54 AM
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as the pictures will show beneath the screen does reflect light kind of well.

pNEg

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