Summary
This valve was designed for use as a combined IF or audio amplifier, AVC rectifier and detector in battery powered equipment.
Widely used in 'farm radios', mantel or console radios designed for operation from batteries in places without reticulated electricity. The Defence Department making indicates that this particular example was manufactured for use in military radios during World War II.
2.0 volt directly heated cathode.
Manufacturer: AWV Sydney, Australia
Physical Description
Shouldered glass bulb with top cap on octal base.
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 - Likely Donation, 1981
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Manufacturer
Amalgamated Wireless Valve Company, Sydney, New South Wales, Australia, 1939-1945
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Inscriptions
Paper label on base: 1K7G Base: MADE IN AUSTRALIA/(excise stamp 1 over 4)/D(broad arrow)D Bulb: 1K7/G
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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
124 mm (Length), 38 mm (Outside Diameter)
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Keywords