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SG2

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ID = 84081
       
Country:
Great Britain (UK)
Brand: Graham Farish Ltd.; Bromley
Tube type:  Screen-grid Tetrode   Audio Frequency 
Identical to SG2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source Wireless World (The), London (WW, 79)   November 22, 1935
British Radio Valves - The Classic Years: 1926-1946   P. 264 & Supplement, p. 41

b4_tetrode~~25.gif SG2: Fin Stewart
Fin Stewart


Just Qvigstad
sg2_characteristics.png
SG2: My schematic collection.
Pier Antonio Aluffi

 

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