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A2_Radion

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ID = 28381
       
Country:
Great Britain (UK)
Brand: Radions Ltd., Radion Works; Bollington
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to A2_Radion
First year 1926 Saga of the Vacuum Tube, Tyne Seite 393
First Source (s)
1924 : British Radio Valves - The Vintage Years: 1904-1925 p. 120

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Battery =
Description

Made by Radions. The company entered the field via valve repair. Tube used for RF/RC amplification

 
Information source History of the British Radio Valve to 1940   p. 6, 59 & 150
British Radio Valves - The Classic Years: 1926-1946   p. 251 & 332; Supplent p. 85

b4_base_pins~~311.png A2_Radion: Fin Stewart
Fin Stewart


Just Qvigstad
a2_radions_spec.png
A2_Radion: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

 

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