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Dimmer 調光器

The device that varies power to a lighting load. A generation ago every stage light lived on a dimmer channel; now most fixtures dim themselves and dimmers survive for tungsten, practicals and houselights, with "hot power" (constant circuits) doing the rest.

中文

控制燈具電力的設備。以前每盞燈都行 dimmer channel；而家大部分燈自己調光，dimmer 留返俾鎢絲燈、道具燈同觀眾席燈，其餘行常火。

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Sources

• Theatrecrafts glossary of technical theatre terms — Theatrecrafts / ABTT heritage primary
• Dimmer — Wikipedia