Summary
High gain pentode originally designed for use in television receivers and released under the type number 1852. Manufacturer: Radio Corporation of America, Harrison, NJ, USA.
Were renamed 6AC7 and adopted for use in radar and other military applications during World War Two (1939-1945).
6.3 volt indirectly heated cathode.
Physical Description
Metal bulb on octal base.
More Information
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Collecting Areas
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Manufacturer
Radio Corporation of America (RCA), Harrison, New Jersey, United States of America, circa 1940
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Inscriptions
Bulb: (RCA logo)/6AC7/1852/Made in U.S.A./K2
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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
64 mm (Length), 38 mm (Outside Diameter)