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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Hanovia 1kw bulbs (Page 2)

 
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Author Topic: Hanovia 1kw bulbs
Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!

Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999


 - posted 08-10-2004 11:15 PM      Profile for Aaron Sisemore   Email Aaron Sisemore   Send New Private Message       Edit/Delete Post 
quote:
What kind of theatre is running 1k lamps?!
Both screens at our soon-to-close Clearlake Twin (around 23'6"x10' with an approx. 45' throw) have 1K Christie CK10 consoles... Underlit as hell, but amazingly still watchable (we had no control over any upgrades as the building owner owned the equipment)

Cinema West's company screening room (12' wide with about a 35' throw) runs a 1K bulb in a Strong Lumex and its dazzlingly bright. [Smile]

-Aaron

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Andrew Shingleton
Film Handler

Posts: 63
From: Richmond, Victoria, Australia
Registered: Feb 2004


 - posted 08-11-2004 05:21 AM      Profile for Andrew Shingleton   Email Andrew Shingleton   Send New Private Message       Edit/Delete Post 
Our 1K is in the theatrette - the rest range from 3K to 7K. A 1K in our theatrette is more than enough light for the screen. [Smile]

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Dennis J. Losco
Film Handler

Posts: 39
From: Phillipsburg, NJ, USA
Registered: Jul 2002


 - posted 08-11-2004 07:54 AM      Profile for Dennis J. Losco   Author's Homepage   Email Dennis J. Losco   Send New Private Message       Edit/Delete Post 
Yea that's odd the packaging says Theater bulb! The spec for the 997B0010 is 1000Watt, 65 Volts@15.5amps Oz free quartz.

The part number you are giving, is it off the lamp itself or off of the packaging. Maybe somebody put the lamps in the wrong boxes over the years.

If you are really weary, I have the guys who made the lamps here at my facility, they could test the lamps and correctly let you know what they are.

If possible you could just post a photo of the lamps and I could also correctly identify them.

908-454-1700 Den JR

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Jeff Knoll
Film Handler

Posts: 26
From: Oakville, Ontario, Canada
Registered: Feb 2002


 - posted 08-11-2004 09:29 AM      Profile for Jeff Knoll   Author's Homepage   Email Jeff Knoll   Send New Private Message       Edit/Delete Post 
The part number is on the box, warranty insert and engraved in the metal contacts on the bulb. Also, the packages were factory sealed. All five bulbs are identical.

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Dennis J. Losco
Film Handler

Posts: 39
From: Phillipsburg, NJ, USA
Registered: Jul 2002


 - posted 08-11-2004 11:14 AM      Profile for Dennis J. Losco   Author's Homepage   Email Dennis J. Losco   Send New Private Message       Edit/Delete Post 
Well Jeff, Hanovia possibly was just shipping in generic boxes for all of there short arc lamps. This lamp definitely is a industrial lamp. We sell them to dealers for pretty good money. There are some dealers that would purchase them from you : Atlas,Bulbtronics, Bulbworks are a few that would possibly buy them.

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Ron Yost
Master Film Handler

Posts: 344
From: Paso Robles, CA
Registered: Aug 2003


 - posted 08-11-2004 11:38 AM      Profile for Ron Yost   Email Ron Yost   Send New Private Message       Edit/Delete Post 
Are the seals still good in 10-year-old Xenon bulbs? I've 'heard' they eventually leak. Probably a booth myth, but is there any truth in it?

Ron Yost

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Dennis J. Losco
Film Handler

Posts: 39
From: Phillipsburg, NJ, USA
Registered: Jul 2002


 - posted 08-11-2004 01:46 PM      Profile for Dennis J. Losco   Author's Homepage   Email Dennis J. Losco   Send New Private Message       Edit/Delete Post 
If the bulb is manufactured or sealed properly, there is no shelf life. They should stay in tact forever. Although the lamp may become more difficult to strike. Occasionally if a lamp sits on the shelf longer than a year we will reburn the lamp here to ensure there is no striking difficulties for the customer.

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Ron Yost
Master Film Handler

Posts: 344
From: Paso Robles, CA
Registered: Aug 2003


 - posted 08-11-2004 03:37 PM      Profile for Ron Yost   Email Ron Yost   Send New Private Message       Edit/Delete Post 
Thank you, Dennis .. that's comforting to know. [Smile]

Ron Yost

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Mike Croaro
Master Film Handler

Posts: 394
From: Millbrae, CA
Registered: Apr 2005


 - posted 06-21-2005 08:22 PM      Profile for Mike Croaro   Email Mike Croaro   Send New Private Message       Edit/Delete Post 
Aaron Sisemore wrote:

"Both screens at our soon-to-close Clearlake Twin (around 23'6"x10' with an approx. 45' throw) have 1K Christie CK10 consoles... Underlit as hell, but amazingly still watchable (we had no control over any upgrades as the building owner owned the equipment".

Hi Aaron:

I was reading thru some old threads and came accross your comment here. Why does it matter that the equipment was owned by the landlord? Why would he (or any landlord) object to your firm upgrading the equipment?

Just curious,

Mike Crorro

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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!

Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999


 - posted 06-27-2005 03:00 AM      Profile for Aaron Sisemore   Email Aaron Sisemore   Send New Private Message       Edit/Delete Post 
I believe that the lease expressly specified that the booth equipment that was there had to remain in operable condition so as to restore it to its previous configuration if we ever vacated the property.

When we installed digital sound before we reopened the location after upgrading the seats and lobby (upgrades that we were actually allowed to alter the existing 'equipment' on), we had to leave the original mono amplifiers and center speaker in place, and wired (actually the solar cells had to be obviously disconnected to install stereo, but the wiring was sitting there at the ready, as were the mono cells, sitting in a cabinet.

There was no way that the consoles were getting upgraded.

We vacated the Clearlake in the fall of 2004.

We sold the sound equipment that we installed to the landlord (I did not have to go back and re-connect the mono system that way)

We also sold them another 1K Christie console (exactly like the ones they already have) for parts.

-Aaron

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Scott Norwood
Film God

Posts: 8146
From: Boston, MA. USA (1774.21 miles northeast of Dallas)
Registered: Jun 99


 - posted 06-27-2005 08:31 AM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
On the subject of theatres using 1k lamps: we recently (last year) installed a pair of Super Lume-Xes with 1kw lamps in the upper theatre (former balcony) of the Columbus Theatre in Providence, RI (see the photo gallery for pics of the old unusable carbon setup). For a ~10-12' screen, the picture is plenty bright. I'm sure that even John Pytlak would approve. We normally use this booth one week every year for the RI Film Fest.

In the lower theatre, we're running 1600w lamps (also in Super Lume-Xes) and getting about 12fl for scope on a 26-foot silver screen. We would like to upgrae to 2kw someday.

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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000


 - posted 06-27-2005 09:48 AM      Profile for John Pytlak   Author's Homepage   Email John Pytlak   Send New Private Message       Edit/Delete Post 
With proper lamp alignment and no physical problems (tarnished reflector, poor port glass), a 1K lamp should be able to comfortably light a 9 x 21.5 foot matte white screen. For a screen that small, I'd prefer a 2K lamp and to use a 3-blade shutter to minimize shutter flicker.

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Dave Macaulay
Film God

Posts: 2321
From: Toronto, Canada
Registered: Apr 2001


 - posted 06-27-2005 03:19 PM      Profile for Dave Macaulay   Email Dave Macaulay   Send New Private Message       Edit/Delete Post 
The VA characteristics do look like you have a mercury xenon lamp. Maybe they used the "theatre" lamp box because they made a lot of projection xenon lamps and relatively few xenon/mercury lamps and never produced a special box? The envelopes and such are probably the same, the difference would be in the electrode spacing and possibly electrode shape, plus the addition of mercury. The xenon is there so the lamp is easy to start and run during warmup. You may see a blob of mercury in a cold lamp, this vaporizes as the thing heats up and the light spectrum shifts from something approaching a "normal" xenon lamp to almost 100% hard UV light in 10-15 minutes. The mercury spectrum has 4 sharp UV emission lines between 300 and 450nM. Useless for projection, basically.
If you try it with a cinema rectifier it's probably going to get much more current than it likes and might explode in short order.

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