CP Range of Lamps for Fresnel and Spotlight Fittings
As the result of extensive and sustained development work, much of it original, GE are able to offer a comprehensive range of lamps of quartz construction, operating on the tungsten halogen principle for all Television Studio, ‘motion picture’, and Theatre lighting purposes.
GE has been strongly supported by the television and film industries in its decision to discontinue glass lamps for studio lighting purposes. This is because the industry has appreciated the financial advantages of quartz halogen lamps, their reliability and virtually constant colour temperature.
The increase in the use of the lamps we now manufacture is due to the GE policy of exploiting the important advantages of compact size offered by quartz halogen construction.
As a result GE are able to supply quartz halogen lamps for use in Fresnel and spotlight fittings from 300 watts to 24,000 watts. These lamps employ a wide range of commonly accepted bases. This gives fittings manufacturers a comprehensive range of compact lamps and permits the construction of smaller, lighter and more efficient luminaires.
Glossary of basic product information
Rated Average Life
Average life ratings of Projection Lamps are based on closely controlled laboratory tests of lamps, at their rated voltage, over a long period of production time. Rated Average Life is not necessarily the same as service life; mechanical shock and vibration, voltage fluctuation, temperature and other environmental factors may result in shorter service life. As with any average value, some individual lamps may operate longer, and some may operate shorter, than their Rated Average Life. (Supply voltage variation can significantly affect lamp life; see comments under Lamp Life Ratings, page 107).
‘T’ Class Lamps for Theatre Spotlight Fittings
With this group of lamps GE are continuing their policy of developing quartz halogen lamps.These lamps operate at a lower colour temperature than the CP range. An average life of a remarkable 750 hours is achieved for most of the GE range. Similar cost savings to those offered by quartz halogen CP lamps are now presented by the quartz halogen ‘T’ range.
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