Summary
This valve was designed for use as an intermediate frequency amplifier in television receivers. It had a remote cut-off characteristic to allow the use of automatic gain control (AGC).
Called EF85 in Europe.
The factory code on this valve indicates that it was made by Philips at their Hendon factory in April 1969.
Manufacturer: Philips, Hendon, South Australia
Manufactured for: AWV, Sydney NSW
Physical Description
Tubular glass bulb with exhaust tip and nine pin miniature 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, 1981
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Manufactured For
Amalgamated Wireless Valve Co Pty Ltd (AWV), Sydney, New South Wales, Australia, 1969
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Manufacturer
Philips Electrical Industries Pty. Ltd., Hendon, South Australia, Australia, 1969
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Inscriptions
Bulb: 6BY7(AWV logo)/Super RADIOTRON/Y3/C9D Paper label on bulb: 6BY7
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Brand Names
AWV (Thermionic Electron Valves) , Radiotron (Thermionic Electron Valves)
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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
66 mm (Length), 20 mm (Outside Diameter)
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Keywords