Summary
Beam Tetrode. Used as a television power amplifier.
This valve was designed for use as a horizontal deflection amplifier in television receivers in 1939. It was used during the war in radar displays, hence the military codes VT75A and 10E/387
Manufacturer: MO Valve Co. England.
4 V indirectly heated cathode.
Physical Description
Shouldered bulb with 7 pin European style base with top cap.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Telesonics Pty Ltd, 09 Nov 1971
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Manufacturer
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Inscriptions
Bulb: KT44/Made and patented in England/VT75A/4.0-25/10E/387
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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
145 mm (Length), 56 mm (Outside Diameter)
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References
Stewart: History of GEC & the Marconi Osram Valve, P81.
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Keywords