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Electronic Valve - Brimar, Beam Tetrode, Type 7C5, circa 1940 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
|Dimensions:||78 mm (Length), 30 mm (Diameter)|
|Tagged with:||thermionic electron valves|
|Themes this item is part of:||Engineering Collection, Information & Communication Collection|
|Secondary Classification:||Vacuum Technology|
|Inscriptions:||Bulb: Brimar/Made in England/7C5|
|Manufacturer:||Brimar, England, circa 1940|