What projector do the commercial theaters use? - AVS Forum
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post #1 of 30 Old 08-17-2007, 10:22 AM - Thread Starter
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I went to an up-to-date cinema the other day( I usually go an older one closer to my house that still uses film projectors). Anyway, after 20 minutes of regular commercials for fabric softener and shoes and the normal upcoming trailers. The theater displayed the "projected in DLP" marquee. I did notice that the picture was much clearer than the film I was used to seeing. Anyway, it got me to thinking about what kind of "light cannon" they would have to have to project a 30 ft diagonal picture from a projector that was probably 50 ft away.

Does anyone know what kind of DLP projector they use at the theater?
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post #2 of 30 Old 08-17-2007, 10:31 AM
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Here are a few:

http://www.nec-pj.com/products/dlpcinema/index.html

http://www.barco.com/digitalcinema/e...projectors.asp

http://www.christiedigital.com/AMEN/...stieCP2000.htm
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post #3 of 30 Old 08-17-2007, 10:38 AM
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26,000 lumens, wow!

Surprisingly the spec'd CR aren't as high as I would have guessed...very interesting though. I found it interesting that the SMPTE standard brightness is 14FL at center.
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post #4 of 30 Old 08-17-2007, 10:55 AM
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So how much do those bad boys cost recon?? I know I can probably find it on their website but was too lazy to look.. I wonder if they are going to be dropping the price after cedia or maybe can pick one up for cheap during black friday...
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post #5 of 30 Old 08-17-2007, 11:13 AM
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Most of these DLP Cinema PJs are six figure price tags. The vendors that sell them all say, "call for pricing".
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post #6 of 30 Old 08-17-2007, 11:16 AM
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I would think you would have to have a pretty big screen for one of those bad boys, unless you wanted it to double as a tanning booth in your home.
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post #7 of 30 Old 08-17-2007, 11:22 AM
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Yeah, the smaller Barco model is for screens up to 50 feet.
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post #8 of 30 Old 08-18-2007, 02:56 AM
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I thought about this Thursday at the theater and was going to research and read about a few models. Thanks for making it easy. I am ok with digital projection at theaters, but they still have a way to go. I watch movies mostly at home now and rarely go to the cinema in any event.

Are there LCD models for commercial theaters? With digital projection is the source usually videotape?

Chris
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post #9 of 30 Old 08-18-2007, 12:02 PM
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Interesting, the first Barco I looked at has a 2000:1 contrast ratio.
I assumed it would be higher.
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post #10 of 30 Old 08-19-2007, 08:08 AM
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I have used Barco at work for digital Projection and yes the contrast on these are pretty avergae due to the high lumens its pumping out.
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post #11 of 30 Old 08-19-2007, 02:15 PM
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post #12 of 30 Old 08-20-2007, 07:58 PM
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It seems they are using the DLP tec in Japan too for commercial cinema
http://www.digitalprojection.com/content/view/211/2/
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post #13 of 30 Old 09-07-2011, 05:03 PM
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How do theaters solve the RBE problem with DLP? Are they all three chip? or do they use an amazingly fast color wheel?

I've never seen the rainbow effect at a theater. I demoed a Mitsubishi HC4000 and saw rainbows almost immediately
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post #14 of 30 Old 09-07-2011, 05:09 PM
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All 3 chips as for as I know.
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post #15 of 30 Old 09-07-2011, 05:44 PM
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We have a separate sub-forum here where they only talk about D-Cinema Equipment & Theaters.

http://www.avsforum.com/avs-vb/forum...ysprune=&f=185

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post #16 of 30 Old 09-08-2011, 01:21 AM
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Quote:
Originally Posted by jay² View Post

So how much do those bad boys cost recon?? I know I can probably find it on their website but was too lazy to look..


I remember a story I read on a drive in, the cost to update the projector and such was around 75k

Here is a link to the story.

I first posted it in this topic.
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post #17 of 30 Old 09-08-2011, 08:09 AM
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I got to hang out in the Malco in my area for a few hours, they had the generation before these http://www.barco.com/en/product/2217 up there, along with 2 film projectors for some reason.

They were fed from a server, and the movies were shipped on actual hard drives in RAID 5 to the theater. You can't tell from the picture, these are big... very big. You would need a separate projector room with it's own HVAC to install one. Much better consumer solutions out there IMO.
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post #18 of 30 Old 09-08-2011, 11:13 PM
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When my theater got its first Christie DLP i remember seeing our bill being around $58k for the projector and Dolby HDD setup. We have put in 2 more Christie models but with a DoReMi HDD setup and i think it cost more (never saw the bill) Sadly for me it looks like the other 9 will be converted to DLP in Mid October. Taking me out of the booth i have worked in for 10+ years Our movies still arrive on a HDD, some delivered and some downloaded via satellite. We have to make up the film for each theater for each move it makes. Although when we go completely DLP they will have a central unit that will migrate the films to where they need to go and take away the need for us to make them up at each theater. They also have to replace the original Dolby HDD with a DoReMi setup, in order for this to work properly.

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post #19 of 30 Old 09-09-2011, 01:06 AM
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I swear some of the theaters I've been to look so bad that I wonder if they are using a $200 chinese knock-off from Ebay. Don't get me wrong, some theaters looked ok, but like almost half of them just look horrid.

I think they don't change the lamps or re-calibrate enough, sometimes I think the LCOS panels are fried and have no contrast left and they are too cheap to replace them. Other times I know the projectors were broken cause I saw weird artifacts on the edge of the screen that were obviously some type of panel burn marks or something similar.

Unless you need a 300+ inch screen, I don't think these commerical grade projectors are all that great, seems like they sacrificed the PQ just to get more lumens.


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post #20 of 30 Old 09-09-2011, 07:37 PM
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I will only go to IMAX theatres when I'm out. Their audio/video setup tops anything I've ever experienced. Night and day difference between them and regular theatres around my area.

I wonder what equipment they use and how it's set up.
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post #21 of 30 Old 09-09-2011, 10:45 PM
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Head on over to the 20k+ forum -- there's a number of people over there that use these projectors.
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post #22 of 30 Old 09-10-2011, 10:13 AM
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I looked into this about five years ago. There is a new multiplex near Emeryville (SF Bay Area) that has two wings of autotoria united by a candy counter in the central lobby. They have a lot of ushers milling around but not in the two wings. That means that within a wing of autotoria you can go in and out of the various theaters at will without being accosted and told to return to your seat.

In the northern wing they had a DLP theater and a regular film theater showing the same movie - the dreadful Keanu Reeves SciFi/biblical thriller "Constantine".

I bought a ticket and watched it in the DLP theater. I kept falling asleep - it's a really bad movie.

At the end of the film I dropped into the nearby film version wondering if I could see any difference. The answer wasn't yes - it was HELL YES!!! The film version was much dimmer and duller. It took only a second to realize just how bad the film version was compared to the DLP version. It wasn't close.

That's not the punchline. The startling thing for me was that nobody in the film theater seem to mind that the picture was so inferior. Today half a decade later I would have expected that there were no more film projectors in any commercial theater. But no, that's not what happened. Just the opposite occurred. There are fewer and fewer DLP projection theaters today and fewer new releases in digital form.

The general public doesn't seem to care that much about image quality. There seems to be a threshold for image quality such that anything over that threshold isn't important to the movie viewing experience - and that threshold is pretty low.
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post #23 of 30 Old 09-10-2011, 12:48 PM
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Quote:
Originally Posted by PLB View Post

.... Today half a decade later I would have expected that there were no more film projectors in any commercial theater. But no, that's not what happened. Just the opposite occurred. There are fewer and fewer DLP projection theaters today and fewer new releases in digital form....

That's certainly not what I've seen in the Chicago area. Most of the big chains have digital projectors, either DLP or SXRD, in most or all of their auditoriums.
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post #24 of 30 Old 05-16-2013, 02:15 PM
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Does anybody know which is the Sony 4K used in commercial theaters?
All I can find are the consumer brands. It does surprise me how low the
contrast ratios are.
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post #25 of 30 Old 05-16-2013, 02:38 PM
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Maybe a SRXR320P?

Speaking of that How often do they change bulbs?

it's Crazy I work at my job and I see Christie Short arc bulbs coming down, well packed and padded with foam.
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post #26 of 30 Old 05-16-2013, 11:41 PM
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Quote:
Originally Posted by SubaruB4 View Post

Maybe a SRXR320P?

Speaking of that How often do they change bulbs?

it's Crazy I work at my job and I see Christie Short arc bulbs coming down, well packed and padded with foam.


When we first got our Christie projectors. We were told originally between 1250-1500 hours in total. That has since changed because the bulbs are on all day long operation hour wise between the Pre-show and actual movies on screen. Since we started doing this we are now listed for about 2250 hours or until we notice flickering on screen before that mark. Also depends if your theater is open week long with matinees or not but I would say on average 4-6 months. Plus that packaging is for a good reason. The old 35mm Osram 4000W bulbs would explode nicely when breaking them apart for scrap metal pieces, but these smaller bulbs seem to have a lot more energy.
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post #27 of 30 Old 05-17-2013, 12:08 PM
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There are a few Christies available on eBay for a mere 25k.

I am CERTAIN outdoor movies, with longer throws, bigger screens and more spread out audience require brighter PJs.

Seeing these specs make me appreciate just how much the home theater specs are fudged.
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post #28 of 30 Old 05-17-2013, 05:09 PM
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Quote:
Originally Posted by invadergir View Post

When we first got our Christie projectors. We were told originally between 1250-1500 hours in total. That has since changed because the bulbs are on all day long operation hour wise between the Pre-show and actual movies on screen. Since we started doing this we are now listed for about 2250 hours or until we notice flickering on screen before that mark. Also depends if your theater is open week long with matinees or not but I would say on average 4-6 months. Plus that packaging is for a good reason. The old 35mm Osram 4000W bulbs would explode nicely when breaking them apart for scrap metal pieces, but these smaller bulbs seem to have a lot more energy.

That's a bit longer then I thought it would be.
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post #29 of 30 Old 05-18-2013, 03:25 AM
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Quote:
Originally Posted by OzzieP View Post

Does anybody know which is the Sony 4K used in commercial theaters?
All I can find are the consumer brands. It does surprise me how low the
contrast ratios are.

AMC and Regal use them.
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post #30 of 30 Old 05-19-2013, 09:45 AM
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Yeah I watched Skyfall in 4K but IMHO I was not impressed.
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