Summary
The 6J6 was a twin triode developed for VHF work circa 1943; it remained in use until the late 1960s. The 6J6A appeared circa 1961
Known as the ECC91 in Europe.
6.3 volt indirectly heated cathode.
Manufacturer: Hitachi, Japan
Physical Description
Tubular glass bulb on seven pin miniature glass button base with top exhaust tip. Valve is contained in rectangular red and black coloured cardboard box with internal cardboard packing.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Transfer from Science Museum of Victoria (SMV), 01 Aug 1971
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Manufacturer
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Inscriptions
Bulb: 6J6A/(Hitachi logo)HITACHI/6J6A/JAPAN One side of box: HITACHI/ELECTRON/TUBE/(handwritten)GR100/(handwritten)31-1-67/(Hitachi logo)/Hitachi, Ltd/Tokyo Japan Another side of box: HITACHI/ELECTRON/TUBE/(Hitachi logo)/Hitachi, Ltd/Tokyo Japan Other two sides of box: (Japanese script)/(Hitachi logo) End of box:(Hitachi logo)6J6A
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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 (Width), 26 mm (Depth), 27 mm (Height)
Dimensions of box containing valve.
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Part Dimensions
53 mm (Length), 16 mm (Outside Diameter)
Dimensions of valve only.
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