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2A4G

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ID = 4189
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Gas Triode 
Identical to 2A4G

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uo)
Was used by Technology / Measurement
Filament Vf 2.5 Volts / If 2.5 Ampere / Direct / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

2a4g_so.png 2A4G: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
2a4g_techdat01.png
2A4G: Sylvania Technical Manual
Peter Hoddow

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Usage in Models 3= 1938 ; 7= 1939 ; 3= 1940 ; 1= 1941

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14

Collection of

 
usa_philco_2a4g_001.jpg

2A4G
 

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