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57AS

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ID = 9644
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 57AS = G-57A-S
Similar Tubes
Normally replaceable-slightly different:
  57A ; G-57A
Other class quality (otherwise equal):
  NU-57AS

Base 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 123 x 39 mm / x 4.84 x 1.54 inch
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 33
Babani, International Radio Tube Encyclopaedia   p. 24 & 25
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

57as_so.png 57AS: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
Usage in Models 1= 1932 ; 3= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

 
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