Summary
The introduction of the '27 in 1927 made economical mains powered radios possible. Soon everyone was replacing their old battery sets with 'Light Socket Radios'.
Though not the first indirectly heated triode, the UY227 was the first to be marketed by RCA and to be copied by numerous manufacturers who usually used a variation of the RCA type number but still ending in 27 as in this case where Arcturus called their version Type 127. It had a 2.5 Volt indirectly heated cathode and was used as a A. F. amplifier and biased detector.
Manufacturer: Arcturus Radio Tube Co., Newark NJ, USA.
Physical Description
Conical blue glass bulb on 5 pin American style (UY) base.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Mrs G. T. Miles, 15 Oct 1971
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Manufacturer
Arcturus Radio Co., Newark, New Jersey, United States of America, circa 1929
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Inscriptions
Base: ARCTURUS/No 127/MADE IN U. S. A.
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Brand Names
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Classification
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Discipline
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Type of item
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Overall Dimensions
111 mm (Length), 44 mm (Outside Diameter)
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Keywords