Behavior of a New Blue-Sensitive Phototube in Theater Sound Equipment
A new phototube designed to provide optimum performance when used in reproducers with films having standard black-and-white silver sound tracks, or with color films having either dye or edge-treated sound tracks, has been developed in the RCA laboratories. — Some results of laboratory tests and field observations when the new phototube is substituted for the standard red-sensitive 868-type phototube are discussed.
- Print ISSN
- 0097-5834
- Published
- 1946-05
- Content type
- Original Research
- DOI
- 10.5594/J11836
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