Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Source Four PAR is a lighting fixture manufactured by Electronic Theatre Controls as an alternative to the traditional Parabolic aluminized reflector (PAR) fixtures. The Source Four PAR is designed to use the same HPL lamp (bulb) used in other ETC Source Four fixtures. The HPL lamp, combined with newer aluminum reflector technology, is designed to allow for more...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Source Four PAR is a lighting fixture manufactured by Electronic Theatre Controls as an alternative to the traditional Parabolic aluminized reflector (PAR) fixtures. The Source Four PAR is designed to use the same HPL lamp (bulb) used in other ETC Source Four fixtures. The HPL lamp, combined with newer aluminum reflector technology, is designed to allow for more light output while using a lower wattage. The light output of a 575 watt HPL is comparable to that of a 1000 watt PAR 64. The Source Four PAR can also be fitted with a 350, 575, or 750 watt HPL lamp. The fixture allows for beam and field adjustment using interchangeable lenses, and is designed for "shaping" the output (with the multifaceted lenses) in the same way that PAR lamps can be spun for a more horizontal or vertical beam orientation.
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