Blackout fabric vs Dalite high power - Wow! - AVS Forum
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post #1 of 8 Old 11-12-2000, 12:44 AM - Thread Starter
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I had my Dad temporarily put up the blackout fabric so that we could see what it looks like.
Wow!

(My Dad has an NEC GP5000 and it's on a table that sits on the floor)
You guys were right, it looks very, very good.

My Dad and I then took the blackout fabric down and compared it to his Dalite model B high power pull down.
We couldn't tell the difference.
He said I really saved some money.
I told him I wish I knew about it before he bought his screen.
He said that he still wanted a pull down.
I don't know.
After seeing the blackout stuff, I really doubt that he cares about a pull down.
Kudos to whomever thought about the blackout stuff first.
It really does the job.
I won't be making a screen anytime soon because I don't have a permenant room.
I just couldn't wait that long to see how good the movie looked.
We looked at the 1st James Bond movie with Pierce.

Glenise


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post #2 of 8 Old 11-12-2000, 07:19 AM
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Glenise-

I initially used the blackout fabric mounted on a DIY frame but then bought a Dalite Hi Power pulldown. I don't understand how you can say that there's no difference. The Hi Power is a completely different animal. It has glass beads that collimate the light and shoot it directly back at the source. The blackout fabric is just matte white which reflects and scatters light. The Hi Power has a gain value of 2.8, whereas the blackout fabric has a (subjective) 1.0 gain. Take another look...

-Mike

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post #3 of 8 Old 11-12-2000, 09:26 PM - Thread Starter
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I know it sounds crazy but both my Dad and myself couldn't tell the difference.
Maybe it's becuase we looked at both separately.
He said he could tell that the high power was a little brighter but not that much, especially not the difference in price.
I think he paid $272 http://www.cousinsvideo.com/search_r...ODUCT_ID=78672

Do you think it's the movie we were watching?
I've always wanted a matte white screen if I were going to buy one from Dalite or Draper.
I'm also frugal maybe that's it.

Glenise

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post #4 of 8 Old 11-14-2000, 05:00 AM
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Tubey-

I don't know where you got your glass bead screen price guide, but the prices you saw are what the HP goes for. I have a model B myself. I have also owned this material in the Cosmopolitan Electrol, a $1000 screen - same material, different mechanism. The HP material is a glass bead type screen, but the beads are incredibly small (<9 micron dia.). They are imbedded in a matte white supported vinyl base and coated with a smooth top layer. This combination has apparently proved economical and very functional for Dalite.

-Mike

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post #5 of 8 Old 11-15-2000, 12:24 PM
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Let's say I am almost totally satisfied. The fact that I can get a nice bright 10' picture out of my older CRT at reasonable contrast setting is enough to outweigh the white case, white pulldown bar, noisy operation, and slight "V". I plan on making a masking system soon which will solve all of these problems.

The gain is 2.8. I got mine at Cousin's Video. They offer many different sizes in the HP model B.

-Mike

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post #6 of 8 Old 11-16-2000, 10:00 AM
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The "V" effect I'm talking about has to do with the shape of the wrinkle due to the weight of the material. I have solved this problem by inserting a strip of paperboard into the roll when the screen is down. I am using a Barco Graphics 800. There is no hotspot from the prime viewing location. I have a narrow (10.5' wide) room, so there are no "bad seats". YMMV.

-Mike

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post #7 of 8 Old 11-16-2000, 12:59 PM
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Hey mike!

Are you running your modded HTPC at 1800x1200 yet? If not.... don't get behind the curve now....

You know,.... 'stay the course', 'bridge to the future', 'thousand points of light', 'Mr. Gorby, Tear down that wall!', etc.

Blackout fabric is just too lossy for me, but it is great interm material. Just don't let it shorten the life of your tubes... they are too expensive to replace. It is better to spend the money on a screen ($200-500 that works) than to spend $3000+ retubing years too soon.

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post #8 of 8 Old 11-16-2000, 03:14 PM
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No, Ken, I'm not running it that high. Poor little projector won't take much more than 1024x768 at 85 Hz. I had it going at 1280x720 when I had a 16x9 screen, but the current rez. looks much better in 4x3. Sorry, but I don't subscribe to your magic super-rez number theory. No offense, but there's no way this should work. Anything I've tried over 720p is horrid on my projector. I realize you've done some super-tweaking on your EH, but I just don't believe that the electronics in these 10-year-old machines are up to the task. I'll take your word for it, though.

-Mike

I didn't do it
Nobody saw me do it,
You can't prove a thing

An Haiku by Bart Simpson
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