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» Film-Tech Forum   » Operations   » Digital Cinema Forum   » Which non-dcp projector for large auditorium?

Author Topic: Which non-dcp projector for large auditorium?
Louis Bornwasser
Film God

Posts: 4434
From: prospect ky usa
Registered: Mar 2005

 - posted 05-18-2018 09:29 AM      Profile for Louis Bornwasser   Author's Homepage   Email Louis Bornwasser   Send New Private Message       Edit/Delete Post 
Asking the brain-trust which projector?
--non dcp; blue ray only.
--auditorium is about 1200 seats
--throw about 130 feet; width 40 feet picture
Used is OK if supported; new is good if priced right.

Old films used when organ is played. Organist is retired Union projectionist. Would like picture to be decent and reliable.

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Carsten Kurz
Film God

Posts: 3865
From: Cologne, NRW, Germany
Registered: Aug 2009

 - posted 05-18-2018 04:07 PM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
40ft - that calls for something like 10.000 - 15.000 lumens - 2kW-3kW xenon, depending on screen gain and aspects like calibration loss. Not really cheap. Not even cheap to get second hand. I often find installation/AV projectors usually more expensive than DCI gear.
Any idea how much he is prepared to spend?

The throw is well within common zoom lens specs.

A Christie Roadster HD12k would be a suitable machine.

- Carsten

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Kenneth Wuepper
Jedi Master Film Handler

Posts: 996
From: Saginaw, MI, USA
Registered: Feb 2002

 - posted 05-18-2018 05:20 PM      Profile for Kenneth Wuepper   Email Kenneth Wuepper   Send New Private Message       Edit/Delete Post 
Please note that the images in the silent era were not "big screen" events.

The images were small and therefore the organist could easily see the whole screen to follow the action from the corner of the eye.

The picture sheet (no perforations) for a 2200 seat theatre was only 20 ft wide. It was painted white on a canvas drop with black framing and the remaining drop was painted to match the red stage curtains.

Some of the old silent films look pretty blurry when enlarged too much.

Perhaps the image would be better if it was only part of that 40 ft screen. Also the image ratio was from the non soundtrack days.

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Scott Norwood
Film God

Posts: 8002
From: Boston, MA. USA (1774.21 miles northeast of Dallas)
Registered: Jun 99

 - posted 05-18-2018 07:20 PM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
Is the 40' width for a scope screen, or is the 1.33:1 image really 40' wide?

Agreed with the notion that a DCI Barco or Christie (without an IMB or server, but with DVI inputs) might actually be cheaper than a typical "rental-and-staging" machine, since the DCI units lack some of the features (rigging points, handles, and the ability to project at any angle) that the non-DCI machines have. It would also allow upgrading to DCP projection later.

Anything that you get that is suitable for this size screen will require at least 220v single-phase power.

Does the person/venue actually need to buy this? It might be more economical to rent it through VER or a local company on an as-needed basis.

I should add that the Christie HD12K is an excellent machine, but the list price on that one was nearly six figures when it was new. I don't have a sense of the used market, but they are probably still not cheap.

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Carsten Kurz
Film God

Posts: 3865
From: Cologne, NRW, Germany
Registered: Aug 2009

 - posted 05-18-2018 07:38 PM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
I just picked a few sample offerings up on ebay and was surprised for how little money they are offered. Techwise, they are not far away from DCI DLPs.

- Carsten

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Sean McKinnon
Phenomenal Film Handler

Posts: 1604
From: Peabody Massachusetts
Registered: Sep 2000

 - posted 05-21-2018 07:39 AM      Profile for Sean McKinnon   Author's Homepage   Email Sean McKinnon   Send New Private Message       Edit/Delete Post 
Barco makes good staging projectors we have 2 of the RLS versions, and the Christie Roadies are also s good choice.

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