[SML] [EXTERNAL] Really bright red LED light source

[Richard Niederberg]

True. LEDs are far more efficient, and are unlikely to fail as Gel or a
Rondel would.

/s/ Richard
_________


On Sun, Apr 28, 2024 at 1:02 PM tech dept via Stagecraft <
stagecraft at theatrical.net> wrote:

> - all
>
> I think a phone call directly to CREE would be most productive. As their
> application engineering dept would be the ones who know  who is packaging
> their emitters (in the configuration you are looking for) .Heck they may
> even comp you.
> Ron
>
> 25.04.2024, 09:12, "Sean McCarthy via Stagecraft" <
> stagecraft at theatrical.net>:
>
> simply because it'll be less efficient.  If we only want red light out of
> the thing, red emitters are all we need.  Using a primary red gel filters
> out ~90%-98%, so of the lumens coming out of the source, only 2%-10% ends
> up being useable.
>
> On Thu, Apr 25, 2024 at 9:57 AM Paul Guncheon via Stagecraft <
> stagecraft at theatrical.net> wrote:
>
> I'm not a lighting guy but is there some reason why one can't use gels?
>
> Laters,
>
> Paul 1
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