Summary
Sharp cut-off pentode used for audio and RF amplification. The 6J7 was first issued in a metal bulb in 1935. Glass versions followed soon after. This valve is a rebranded valve of American origin.
Markings, such as JAN and CRC indicate that the valve was made to Joint Army and Navy specifications by RCA.
Physical Description
Metal bulb with top cap and octal base (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, 07 Sep 1971
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Manufacturer
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Inscriptions
Bulb: COSSOR VALVE/6J7/MADE IN USA/JAN/CRC-6J7/VT-91/MADE in U.S.A./(RCA logo)/H2E
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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
76 mm (Length), 32 mm (Outside Diameter)
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Keywords