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ST61A

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ID = 28796
       
Country:
Great Britain (UK)
Brand: ST Valve, S.T. Limited, John Scott-Taggart; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to ST61A
First year Feb.1927 Saga of the Vacuum Tube, Tyne page 395

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.1 Ampere / Direct / Battery =
Description

Hersteller: S.T. Co Ltd, Great Britain

 

b4_base_pins~~365.png ST61A: Fin Stewart
Fin Stewart


Just Qvigstad
 

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