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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Neumade XCN Console - what is max wattage for bulb?

   
Author Topic: Neumade XCN Console - what is max wattage for bulb?
Mike Heenan
Phenomenal Film Handler

Posts: 1896
From: Scottsdale, AZ, USA
Registered: Mar 2000


 - posted 07-07-2011 10:34 PM      Profile for Mike Heenan   Email Mike Heenan   Send New Private Message       Edit/Delete Post 
We have a Neumade XCN console, and use 2000W bulbs. Would it be possible to use a larger wattage bulb in there, say 2500w?

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 07-08-2011 06:30 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
It is the rectifier that is going to be your limiting factor (and possibly the availability of the proper lamp adapter). If your rectifier is a G3X-75 then it will be too small. You will want a G3X-77/95 (later name is G3-100 something like that). A 2.5KW lamp's nominal current is 90A and typically max is 95-100A.

-Steve

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Louis Bornwasser
Film God

Posts: 4441
From: prospect ky usa
Registered: Mar 2005


 - posted 07-08-2011 02:16 PM      Profile for Louis Bornwasser   Author's Homepage   Email Louis Bornwasser   Send New Private Message       Edit/Delete Post 
Supposedly the smaller reflector is good up to 3000 watts. Don't do it. It will flake. 2500 is about it. The larger reflector should be good to 4500 watts, more maybe with cooling.

Otherwise Steve is right about the rectifiers. Louis

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Mike Heenan
Phenomenal Film Handler

Posts: 1896
From: Scottsdale, AZ, USA
Registered: Mar 2000


 - posted 07-08-2011 06:44 PM      Profile for Mike Heenan   Email Mike Heenan   Send New Private Message       Edit/Delete Post 
I checked our rectifier and we have the G3x 75, so I guess a 2500w bulb is a no go then. Thanks for the help, much appreciated!

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