An overview of three main sources of light in the theater and why two of them really don't like being put on a normal dimmer.
Since this video was put up I have learned that there are some arc lamp ballasts that have adjustable brightness, but they can't be dimmed out, just adjusted between 100% and ~%50. You learn something new every day.
EDUCATORS - Feel free to use this video in your classes! That's why I started making these.
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