Summary
Sharp cut-off pentode mainly used for audio and RF amplification.
6.3 V indirectly heated cathode.
The 6J7 was first issued in a metal bulb in 1935. The glass version, 6J7G followed soon after. This example was probably manufactured in the late 1940s.
Manufacturer: Philips, Hendon, South Australia.
Physical Description
Shouldered glass bulb with top cap and octal base with 7 pins present. Base has been fitted with tab to make contact with a metal shield that could be clipped over the valve - known as a Goat shield.
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, 06 Sep 1971
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Manufacturer
Philips Electrical Industries Pty. Ltd., Hendon, South Australia, Australia, 1940-1949
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Inscriptions
Bulb: 6J7G/S52 Base: PHILIPS/Miniwatt/MADE IN AUSTRALIA/(excise mark 1 over 2)
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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
112 mm (Length), 38 mm (Outside Diameter)
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