Summary
A pentode, manufactured by Philips, probably in Holland, introduced in about 1934. It was used as a radio frequency amplifier.
It is a remote cut-off type and uses 4 Volts at 1.1 A, with an indirectly heated cathode.
Remote cut-off characteristic improves handling of large signals and facilitates the use of automatic volume control.
Physical Description
Seven pi base.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Purchase
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Manufacturer
Philips (N.V. Philips Gloeilampenfabrieken), Holland, Netherlands, 1934
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Inscriptions
PHILIPS AF2 MINIWATT 55 MADE IN GREAT BRITAIN
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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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References
[Book] Stewart, Finlayson (Fin). 1995. Illustrated History of Philips Radio Valves to 1935., 1995, 54 Pages
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