Summary
Designed for use as a class A power output amplifier in battery operated radios. Five-pin (UY) base. Identical to type "33". 2.0 volt directly heated cathode.
Physical Description
Conical glass bulb with American UY style 5 pin base mounted on display block.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Arthur J. Veall Pty Ltd, 15 Feb 1943
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Manufacturer
Radio Corporation of America (RCA), United States of America, 1931
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Inscriptions
On bulb: RCA logo On base: Radiotron RCA 233 (The R of RCA is combined with the initial R of Radiotron)
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Brand Names
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
115 mm (Length), 45 mm (Outside Diameter)
Dimensions not including display blck
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Keywords