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Author Topic: DeVry projector mods Mush Emmons Film Handler Posts: 2 From: Salvador, BAHIA, Brazil Registered: Mar 2004 posted 03-06-2004 02:08 PM                       I have a WWII vintage DeVry 35mm model XD Navy issue projector w/1000w tungsten source. I am planning to change over to an Ektagraphic 300 watt bulb arrangement. Are there any voltage issues to watch out for?  |  IP: Logged Scott Norwood Film God Posts: 8146 From: Boston, MA. USA (1774.21 miles northeast of Dallas) Registered: Jun 99 posted 03-06-2004 03:01 PM                        The EXR slide projector bulbs that are used in Ektagraphic projectors are 82 volts. Not sure on what the Devry bulb is.  |  IP: Logged Richard Fowler Film God Posts: 2392 From: Ft. Lauderdale, FL, USA Registered: Jun 2001 posted 03-06-2004 04:29 PM                     You can also use an ELH bulb which operates on 110VAC  |  IP: Logged Mush Emmons Film Handler Posts: 2 From: Salvador, BAHIA, Brazil Registered: Mar 2004 posted 03-07-2004 08:50 AM                       The bulb in the projector is 110vac. I should have an ELH floating around. Now it's just a matter of mounting, alignment. I hope it generates the same or more lumens. Thanks for the tips.  |  IP: Logged Rob Butler Film Handler Posts: 91 From: Westford, MA, USA Registered: Mar 2004 posted 03-17-2004 07:28 PM                     Since the projector is already designed for a 1000w source, it should have an adaquate cooling system, I'd suggest looking into a short-arc lamp such as an MSD250. You'll need to get a reflector and a small ballast for it (which you might be able to get from a stage lighting supplier). These lamps are used mainly in gobo-projecting stage lights, and give off a really crisp, white light simmalar to the lamps in the newer video projectors, but about 500 bucks cheaper.  |  IP: Logged

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