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Electronic Valve - Brimar, Beam Tetrode, Type 7C5, circa 1940 Object Reg. No: ST 028554

Output Beam tetrode, manufactured by Brimar in England. Used as a Class A power output amplifier, a Class A push-pull amplifier and a Class AB1 push-pull amplifier.
6.3 Volt indirectly heated cathode.
Loctal base was designed to facilitate all glass construction and also lock the valve in its socket.
Acquisition Information:
Exchange from P. Thomas, 1972
Discipline: Technology
Dimensions: 78 mm (Length), 30 mm (Diameter)

More information

Tagged with: thermionic electron valves
Themes this item is part of: Engineering Collection, Information & Communication Collection
Primary Classification: ELECTRONICS
Secondary Classification: Vacuum Technology
Tertiary Classification: amplification
Inscriptions: Bulb: Brimar/Made in England/7C5
Manufacturer: Brimar, England, Great Britain, circa 1940

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