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Re: image brightness


  • From: P3D John Dukes <dukes@xxxxxxxxxxxxxxxx>
  • Subject: Re: image brightness
  • Date: Mon, 14 Oct 1996 11:31:51 PDT



> 
> (Interesting [to me] that the "newer" genration of projectors from the
> "Carousel" family use 82V lamps.  The stepped doen voltage is provided
> by using a portion of the motor windings ad a transformer.)
> 
> allanwx@xxxxxxxxxx
> 
> 

Allan and Others--

The so-called 82 volt bulbs work (and I believe were intended
to work) with a diode in series with the line.  Don't know how
they arrived at the rating--may be an RMS equivalent or some
such thing.  Got to be a rather heavy duty diode, of course.

John Dukes


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