Russell,
The diyaudio.com forums seem to have very in-depth information on DIY
projectors. I'm sure there are explanations of why the bulb is so expensive
and what people do to circumvent the issue since they're all trying to do it
on the cheap.
--
Martin K

On 3/5/07, Russell McMahon <apptech@paradise.net.nz> wrote:
>
> >>The bulbs seem to cost a minimum of about $NZ400 and can go to over
> >>$1000. It's not unusual to have  a$600 bulb in a $1200 projector.
> >>This
> >>is for a 150W - 200W halogen lamp.
> >
> > It is not a halogen lamp. Modern projectors use ultra-high pressure
> > mercury lamps
> >
> > http://www.ercservice.com/lamps/philips/PhilipsUHPLamps.html
>
> OK - ultra-high pressure mercury halogen oxygen lamp :-).
>
> That's an extremely good page and answered many questions that I had.
> It's written by a Philips man with a large axe to grind, but is still
> useful.
> It's taken the edge off my enthusiasm to "play", but also showed in
> which areas playing is liable to be most fruitful.
>
>
>
>         Russell
>
>
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