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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Fri Jan 30, 2009 9:26 am Post subject: Going blind researching screens |
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Analysis paralysis is setting in... HELP!
Not sure if I can trust what I'm reading on AVS - everyone there is a digital junkie. Over here people are ga ga for wilsonart, but I need electric/retractable.
I will have ambient light issues (see pic here), so high gain seems attractive, but y'all have me worried about hot spots.
My pj will be a couple feet above my head, so I believe that means I should go for angular reflective.
I have a 9500LC Ultra, about 12-13 ft. throw and I'm hoping to get a screen somewhere in the 87" - 96" width range.
With that in mind, what's a good screen for me? I was thinking maybe Draper M1300 but am not sure (can't even tell if it's angular or retro). So many options!
Also, are the insanely expensive brands (e.g. stewart) worth the price difference? For example, the M1300 is about 4 times more than an Elite screen I can get from Costco. Is there really that much of a difference??
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Mark_A_W
Joined: 15 Mar 2006 Posts: 3068 Location: Sunny Melbourne Australia
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| Posted: Wed Feb 04, 2009 11:28 am Post subject: |
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Just make one.
Blockout cloth, white gesso, simple masking system from felt. Done for $150.
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Nashou66
Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY
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| Posted: Wed Feb 04, 2009 1:43 pm Post subject: |
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Save moeny and go with a retractable DaLite 1.3 gain screen, the hard part is where you are going to mount it and figure out the screen size. what you need to do it just get a big whit sheet, set the PJ up to where you are going to mount it and see how big a screen you will end up with at that location. i say from 12 feet TD it might be 10-11 feet wide My 12 foot screen with an 8500 is 165 inches TD. The worst thing for you is its under a loft where you really dont have the option to move the PJ forward if you need to.
Id make sure you do a floor test set up first right below your planed top mount location.
Athanasios
_________________ Don't blame your underwear for your crooked ass~ unknown Greek philosopher
"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Wed Feb 04, 2009 5:20 pm Post subject: |
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Mark: I need retractable, so I don't think your suggestion works.
Athanasios: I've done exactly what you've suggested with the temporary sheet/screen and setting the pj on the floor roughly in the same spot where it will be hung. I get a 99" inch screen, but it exposes the burn area from the used tubes, so I need to bring it in a couple inches. That's why I was thinking a 96" screen. It's not maximizing phosphor but I don't have much choice.
Thanks for the help.
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Nashou66
Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY
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| Posted: Wed Feb 04, 2009 5:28 pm Post subject: |
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You get the 100 Inch screen then just get some velvet for now and make it smaller, then if you re tube you can max out ratser and go bigger with out having to buy a new screen. the only hard part is not getting anything onto the screen material that will show up when you mask it for a smaller screen. You could use a very small needle and sew it a few spots to hold the velvet inplace, then remove it later when you go bigger. the small pin holes shouldn't show up , you could go every 12 inches.
Athanasios
_________________ Don't blame your underwear for your crooked ass~ unknown Greek philosopher
"Republicans believe every day is the Fourth of July, but the Democrats believe every day is April 15." --- President Reagan
One Smart Dog!!!
Marquee High Performance Bellows now shipping!!
Marquee Modifications and Performance Enhancement
Marquee C-element and Bellow removal
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Zebu Fellenz
Joined: 21 Dec 2006 Posts: 2567
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| Posted: Wed Feb 04, 2009 5:33 pm Post subject: |
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I would e-mail Da-lite and ask them to send you the screen sample packet, also try other companies and see what samples you can come up with. I did this and after testing many types of material I ended up with a 96" wide Da-lite High Power screen in a Model C pulldown housing. It is an excellent screen if your projection angle is low. You may want to look at the Da-lite 1.3 and 1.5 gain materials. As for a casing I would go for the Model C if you want a manual screen, it is head and shoulders above the Model B.
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Wed Feb 04, 2009 5:57 pm Post subject: |
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Athanasios: interesting idea, but will it work for a retractable screen?
Zebu: I had the same idea on Sunday. I've got samples coming in from Stewart, Da-Lite and Draper - 14 samples total. Elite and Vutec have not returned my mails (oh well, no business for them). What do you consider a "low projection angle"?
Btw, I've read a lot about angular- vs. retro-reflective, but none of the manufacturers say what their screens are. Is there a way to tell?
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AnalogRocks Forum Moderator
Joined: 08 Mar 2006 Posts: 26706 Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Wed Feb 04, 2009 6:18 pm Post subject: |
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Retro reflective bounces light back to the source at whatever angle it hits the screen ( think street signs and their reflective paint )
Angular allows the light to exit at the oposite angle it comes in at. Like bouncing a flashlight off a shiney surface and having the beam reflect out at the same angle it came in at.
_________________ Tech support for nothing
CRT.
HD done right!
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Wed Feb 04, 2009 6:20 pm Post subject: |
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I know what the differences are - I'm asking how do I tell if screen X is angular- or retro-? This info doesn't seem to be listed in any spec sheets I've seen.
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AnalogRocks Forum Moderator
Joined: 08 Mar 2006 Posts: 26706 Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Wed Feb 04, 2009 6:22 pm Post subject: |
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Ahhh gotcha. Guess you'll know when the samples arrive. It's odd they don't list it in the specs isn't it?
_________________ Tech support for nothing
CRT.
HD done right!
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Bruce 09
Joined: 08 Mar 2006 Posts: 747 Location: Kamloops BC, Canada
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| Posted: Wed Feb 04, 2009 7:32 pm Post subject: |
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| Quote: | was thinking maybe Draper M1300 but am not sure (can't even tell if it's angular or retro). So many options!
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It is neither really.
For practical purpose it is a neutral screen, will do just as well with floor or ceiling. It does not have the reflective material right on the surface so it can be cleaned . The M2500 on the other hand is a screen that uses both angular and retro tech to get it's gain, but has a semi retro reflective surface so cleaning is limited .
Since you pretty well have to have a retractable screen I would really try to get a good TENSIONED screen, nothing worse than waves Bad for a digital but horrible for focusing on a CRT.
Here is a pretty good screen to start with and a pretty good price . You would be able to get your money back out of it if you decided to change something . Besides having a good neutral screen will give a good reference point with all these samples coming in .
http://cgi.videogon.com/cgi-bin/cl.pl?scrnmotr&1237044602&class&3&4&
If you are able to pull the projector back a few inches on the walk way or is your calculations pretty tight to the back beam ? If you can get screen mounted close to back wall I think you could use a screen this size .
A Valence mounted on the ceiling pretty close to the curtains would help with aesthetics by hiding the ceiling mounts,also with the secondary reflections on the ceiling and thirdly make it possible to mount it closer to the back wall without disturbing your current curtain configuration .
Even though your ceiling is white it has a pretty good rake to it so it will reflect less light than a low flat one .
Bruce
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Wed Feb 04, 2009 10:37 pm Post subject: |
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Thanks for the tips, Bruce. That screen for sale you liked to is only 92" wide so it fits within my parameters, and I shouldn't have to move the projector back (though it does have room to move back a few inches). Where my temporary sheet/screen is now is about 1.5' away from the wall, hanging from the ceiling by good ol' thumb tacks.
Unfortunately, any used screen probably won't work as I'll need a custom length of black leader above the screen to make up for the height of the vaulted ceiling - not too many of those around on the used market. The alternative, hanging the screen case very low off the cieling has anti-WAF. She wants me to mount it directly to the ceiling and then build some kind of nice enclosure (like a valence) to hide it a bit.
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Bruce 09
Joined: 08 Mar 2006 Posts: 747 Location: Kamloops BC, Canada
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| Posted: Wed Feb 04, 2009 11:42 pm Post subject: |
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| Quote: | | Unfortunately, any used screen probably won't work as I'll need a custom length of black leader above the screen to make up for the height of the vaulted ceiling |
The point where the valence would be built is around the same height as the ceiling height of the walkway, which is the same height everybody has to work with .
I would bet that that screen drops down a lot more than the pic shows . Building a valence will help drop the mounting height of the screen .
If you are set on where the Marquee is going or has to go then just mount it as far back as you can, center it and then work on the exact size and height your screen needs to be . You will have some adjustment in screen placement By tilting your projector . Just make sure that whatever you use to mount your projector leaves you room to easily make adjustments .
What about a wall mount behind the curtains,just above the window . Build a valence on the wall then mount the curtains on the Valence and the screen next to wall just above the window.
Bruce
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Thu Feb 05, 2009 12:08 am Post subject: |
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Hey Bruce, are you getting a kick back from the sale of that screen? Perhaps you are the seller? j/k
I think maybe I don't understand what you mean by valence. Is there a pic you can point me to?
Yeah, since my options are fairly limited, my plan was pretty much what you said: mount the pj as close to the edge of the walkway as possible, and then figure out the proper mounting location for my screen that gets me the desired screen size.
Anyway, this is getting slightly OT (not that I'm complaining - I appreciate the help) as I mostly just wanted some experienced recommendations on screen materials and an understanding of whether or not there's a substantial difference between, say, a $500 Elite and a $3k Stewart that justifies the price difference.
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Bruce 09
Joined: 08 Mar 2006 Posts: 747 Location: Kamloops BC, Canada
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| Posted: Thu Feb 05, 2009 12:55 am Post subject: |
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| schmoe wrote: | Hey Bruce, are you getting a kick back from the sale of that screen? Perhaps you are the seller? j/k
I think maybe I don't understand what you mean by valence. Is there a pic you can point me to?
Yeah, since my options are fairly limited, my plan was pretty much what you said: mount the pj as close to the edge of the walkway as possible, and then figure out the proper mounting location for my screen that gets me the desired screen size.
Anyway, this is getting slightly OT (not that I'm complaining - I appreciate the help) as I mostly just wanted some experienced recommendations on screen materials and an understanding of whether or not there's a substantial difference between, say, a $500 Elite and a $3k Stewart that justifies the price difference. |
I think mounting your projector exactly where it HAS to go and Having a standard white screen as a base to compare all the exotic screen samples you are having brought in is as on topic as you can get .
How are you going to base the little swatches you get against a sheet ? they will all look better you will end more confused than you are now .
I'll find some good examples of valences in the same application. I might have some pics of a custom Home I built, and they have a living room hidden screen I can show you.
Hey the seller just emailed me back in the middle of this post . The pic shows a 4" drop the screen standard was 6" and is adjustable down to 12" drop .
Now I do want a commission Do not buy it, or any screen yet you need to mount the projector first .
Bruce
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schmoe
Joined: 30 Mar 2008 Posts: 374 Location: Seattle, WA
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| Posted: Thu Feb 05, 2009 1:44 am Post subject: |
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Right now I have a big chunk of BOC hanging from the ceiling that I was using to do a rough setup of the pj, which I know many say is a decent and cheap way to go for a real screen, so I was assuming that makes for a decent backdrop for comparison.
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Bruce 09
Joined: 08 Mar 2006 Posts: 747 Location: Kamloops BC, Canada
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| Posted: Thu Feb 05, 2009 1:55 am Post subject: |
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| schmoe wrote: | | Right now I have a big chunk of BOC hanging from the ceiling that I was using to do a rough setup of the pj, which I know many say is a decent and cheap way to go for a real screen, so I was assuming that makes for a decent backdrop for comparison. |
OH Ok. When you posted this, I assumed this what you were using | Quote: | | I've done exactly what you've suggested with the temporary sheet/screen |
That is what got me using the sheet as a reference .
Anyway have fun, if you take care in setting it up and use white,it will look good.
I will find some examples of Valences for you .
Bruce
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WTS
Joined: 08 Mar 2006 Posts: 1276 Location: Calgary
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| Posted: Thu Feb 05, 2009 2:12 pm Post subject: |
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I've recommended Hurlay screens before and I'll say it again. Check them out, if you think a Stewart is good then try a Hurley.
_________________ Thanks
Walter
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Nashou66
Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY
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WTS
Joined: 08 Mar 2006 Posts: 1276 Location: Calgary
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| Posted: Fri Feb 06, 2009 12:23 am Post subject: |
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Hmm, that I don't know.
_________________ Thanks
Walter
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