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Please Note : This forum is for projectors that use a screen and not rear projection HDTVs. There is a separate forum for RP HDTVs.


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Old 03-23-2005, 10:39 AM   #1
What is HD?

Join Date: Mar 2005
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Default confused

I have been trying to decide on a projector but the more I read about the different models the more undecided I become. First of all I am looking to spend about 2 k the Mitsu xd-450 seems to be a good one except it color wheel only is 2x I read don't get a unit under 5x?
Second - Rainbow effect and poor quality from viewing regular Sat signal.If I compress the screen size from DVD will the quality be there. What about rated lumens isn't brighter better? I will be viewing in little ambient light and not looking for a huge screen.I have a smaller area. I saw an Infocus x1 but it had to be dark and colors did not seem vibrant. Seems to me the plv-z3 ,mitsu450 and newer infocus seem to be but not sure which way to go?
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Old 03-23-2005, 02:26 PM   #2
What is HD?

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Cool Confused about DLP

I was also looking at DLP for a long while but decided against it. When I looked at the image quality of the Samsung rear projection DLP system, there was a funny blocky quality that didn't make sense for HD. I went to the TI DLP website and got some info on the HD 720p chip that TI was producing. I think I understand the problem with them, I just hope I can explain it.

The basic problem is that a single DLP can't produce the same color gradations you would normally see on TV or your computer monitor, and it doesn't matter how many colors are on the filter wheel. Normally your computer monitor can produce 256 intensity levels for each of the primary colors, red, green and blue. With that you can get near photographic realism with a 1280 x 720 pixel image. DLP can get the pixel resolution, but only with about 100 intensity levels per color.

Adding more colors to the filter wheel doesn't really help, since it takes the three hundred available levels and just subdivides them among more colors.

The better DLP systems (actually professional systems in the $10K+ range, use three DLPs, one for each color. LCD based projectors do the same thing. I hear that consumer 3 DLP systems are available, or will be soon. I would look at that or an LCD system. I have a Sony VPL-HS20 HD LCD system (out of production but still available over the Internet). It's not perfect, but I like it better than anything else I've looked at, and Sony did a good job giving the image a very film like quality.

The funny blocky artifacts I saw in the Samsung were due to not being able to show a smooth intensity gradation in a near uniformly colored background. But you also see this with people's faces. I found it very distracting.

Hope this helps.

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Old 03-23-2005, 04:54 PM   #3
What is HD?

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Thanks for the info. So is the LCD projectors the way to go? The only one I saw in my price range was the plv-z3
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Old 03-23-2005, 05:43 PM   #4
My Projector is High Def.

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Originally Posted by danman14
Thanks for the info. So is the LCD projectors the way to go? The only one I saw in my price range was the plv-z3
Hey Danman,

The PLV-Z3 is what I have and I love it. I have it mounted on the ceiling in my fairly narrow viewing area (11' from front to back wall). It projects a lovely 90"+ image on my wall (still no screen yet, but I don't see a need for it either).

As far as ambient light is concerned, I find it quite viewable with a 40 watt bulb in a lamp nearby. Equally (if not better) when a lamp with more directed light is being used for reading. During the day, it's a little worse, but still bearable - we have room darkening shades, but light comes from other rooms.

At any rate, just be aware that you'll need to dish out $300 each time the bulb goes - Sanyo doesn't rate bulb life, but I'm hoping for at least 2000 hours. All I can say now is 500+ and going strong! I also liked the fact it had a 3yr warranty.

Good luck!
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Old 03-26-2005, 04:42 PM   #5
How can anyone watch standard def?

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Default Ae700

you might want to compare the PLV-Z3 and the panasonic AE700U.
It seems that the panasonic may be the better choice and can be found for less money.
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Old 03-27-2005, 10:18 AM   #6
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I agree with the previous post. If the Sharp Z3 is in your budget range, you have a lot of options to consider with LCD projectors. I recommend you visit ProjectorCentral and review the PJs they tested within that price range and see what works best for you. They have user reviews for those PJs so you can read what other folks have experienced.
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