Summary
Output pentode. Manufacturer: Ken-Rad Tube & Lamp Corporation, Owensboro, Kentucky, USA.
The 6F6 was the first metal output valve, released in 1935. It had the same electrical characteristics as the 42 and, except for the heater voltage, the 2A5.
The JAN-CKR prefix to the type number indicates that this valve was made for the US Services during or shortly after World War II (1939-1945). SC961A is a US Signal Corps marking.
6.3 V indirectly heated cathode.
Physical Description
Cylindrical metal bulb on octal base with 7 pins present.
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
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Manufacturer
The Ken-Rad Corporation, Owensboro, Kentucky, United States of America, 1940-1945
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Inscriptions
Bulb: JAN-CKR-6F6/KEN-RAD U.S.A. VT-66/SC961A Base: (licence statement)
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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
80 mm (Length), 33 mm (Outside Diameter)
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