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Topic: How to modify Xetron house for chrisitie xenon
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 07-11-2001 08:12 PM
WAAAAAAAAAIIIIT a minute!!!What Christie lamphouse has a THREADED POSITIVE END?!? I think you have some kind of oddball bulb or you have it backwards. Does the 'positive end' on your bulb have the knurled nut on it? Also, Brad's correct. Get the proper bulb for the application. Runninig a 3K bulb in a 2K lamphouse is gonna get really expensive when you kill the power supply trying to run it at 100A, or the bulb is gonna die quickly from running undercurrent. A dim picture from a console like an XHC-35 (which are garbage IMO) is more likely to be the result of poor optical alignment rather than a undersized bulb. The correct 2000W bulb for that console would be: Osram XBO2000W/H OFR
Christie CXL-20R
PerkinElmer XM2000H/V or H/VC
The cable on the positive end is removeable from any of these lamps, although it really isn't an issue with the Xetron as the terminal on the cable can be attached to where the positive power terminal attached to the spider at the front of the reflector. Aaron
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John Walsh
Film God
Posts: 2490
From: Connecticut, USA, Earth, Milky Way
Registered: Oct 1999
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posted 07-11-2001 09:39 PM
I'm not sure what a Xetron XHC-35 lamphouse is, but I have a chart showing what adapters are used to make a particular bulb fit in the XHN/XCN lamphouse/consoles. (I'm e-mailing it to Brad.) I don't know if it will help. Otherwise, I'm sure if you called Xetron, they could help you out.Be aware, though, the previously posted cautions about putting a 3K bulb in a 2K lamphouse are valid. While Xetron makes adapters to allow different configurations, the adapters are specified at the time of installation. So they factor in other things before deciding on the bulb. You can't just put in a larger wattage bulb. You must also check the size and type of the power supply,(can it handle a 3000 watt bulb?) is the air flow for cooling enough?, etc. As Brad said; tell us how big the screen is, the throw, what size power supply, etc. and we'll help you out. DOWNLOAD THE XETRON BULB ADAPTOR CHART HERE
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Jonathan Haglund
Film Handler
Posts: 81
From: Irvine, CA, USA
Registered: Apr 2001
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posted 07-12-2001 04:08 AM
Ok, stop yelling at me 
It never occured to me to double check which end was which last time I worked on a christie because it didn't matter, the darn thing only went in one way. Somewhere along the lines, someone said the negative end was in front of the reflector, thus I figured the positive was in the rear. Ooops 
Guess the idea of being able to swap parts around like you can in a computer doesn't apply here. The housing can supply power up 150 amps, though it probably isnt supposed to for normal use. Screen size and throw I do not know, I will soon. Now that I think more on the subject of illumination, I don't think I need more light, just better lenses. But you say I can get bulbs that have male connectors on both ends, then I shall get me to an equipment supplier right quick.
Upgrade the lamphouse. Sheesh. What have you got against 1940's technolgy anyway.
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Aaron Sisemore
Flaming Ribs beat Reeses Peanut Butter Cups any day!
Posts: 3061
From: Rockwall TX USA
Registered: Sep 1999
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posted 07-12-2001 11:45 AM
>> Sheesh. What have you got against 1940's technolgy(sic) anyway.<<The XHC-35 is an 80's-vintage console. and just because the meter reads 150A doesnt mean the power supply is going to furnish that much without making it crystal clear it doesn't like to. Or if it is like most of the IREM supplies in the XHC-35's I have had the [dis]pleasure of servicing they will go out in a blaze of glory..... oooohhh....pretty fireworks....... hmm..... this is a better show than the show of 'Barney's Great Adventure' that we lost!  -Aaron
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Bob Maar
(Maar stands for Maartini)
Posts: 28608
From: New York City & Newport, RI
Registered: Feb 2001
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posted 07-12-2001 12:57 PM
Jonathan,Call the dealer of your choice and tell him/her to order an
XH 3007527 negative bulb adaptor. Please advise size of your power supply. You may call Xetron at 1 800 526 0722 and ask for technical support. They will be happy to work with you and resolve your problem. While you are waiting for the adaptor to arrive please post a joke on the forum.  Regards, Bob
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I don't think so. Also, you want to use a 3000 watt lamp in a 2000 watt machine? Bad ideas all around. You just need to get the correct xenon for your lamphouse or upgrade the lamphouse.
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