Summary
Pentode, intended for use in applications requiring low microphonics. Manufactured by AWV, Sydney, Australia.
The 1620/6J7G was a special version of the 6J7G, . It was a sharp cut-off pentode with a 6.3 V indirectly heated cathode. Used as a low-noise amplifier.
Physical Description
Shouldered glass bulb on octal base with 7 pins present with top cap. Printed Caution label on bulb.
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
Australian Wireless Valve Co (AWV Co), Sydney, New South Wales, Australia, 1940-1949
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Inscriptions
Bulb: 1620/6J7G Paper label on bulb: CAUTION/(text stating that the suppressor grid must be connected to cathode under all circumstances) Base: Radiotron/MADE IN AUSTRALIA/(excise mark 1 over 4) Paper label on base: 1620-6J7G
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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), 39 mm (Outside Diameter)
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