Summary
6.3 volt indirectly heated cathode, manufactured by RCA, Harrison, NJ, USA. Triode- pentode type 6F7, the triode and pentode sections share a common cathode. The triode could be used as an amplifier, a detector or an oscillator; the pentode section could be used as an RF or audio amplifier or as a frequency changer.
Physical Description
Shouldered glass bulb with top cap mounted on a 7 pin American style base.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source, 1981
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Manufacturer
Radio Corporation of America (RCA), Harrison, New Jersey, United States of America, circa 1934
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Inscriptions
Bulb: 6F7 Paper label on base: 6F7 Base: (RCA logo)/Cunningham/Radiotron
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Brand Names
Radiotron (Thermionic Electron Valves) , RCA (Thermionic Electron Valves)
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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
114 mm (Length), 38 mm (Outside Diameter)
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Keywords