Summary
Used as a class A RF amplifier in radio receivers, manufactured by Mullard and introduced in 1928.
It had a 4 volt indirectly heated cathode.
One of the first indirectly heated Alternating Current screen grid (tetrode) tubes produced in England. Indirectly heated tubes made the operation of radios from the AC mains possible.
Physical Description
Four pin European base with top cap. The valve is sectioned and bulb removed and placed on a wooden base for display purposes.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Mr S. A. Pick, 03 Mar 1941
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Manufacturer
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Inscriptions
Stand has exhibition label adhered to it
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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
130 mm (Length), 33 mm (Outside Diameter)
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Keywords