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20AMS

Information - Help 
ID = 12381
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 20AMS
Similar Tubes
Normally replaceable-slightly different:
  B2047

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 190, p. 351

20ams_so.png 20AMS: rtt
Anonymous 10 Collector


Just Qvigstad
 

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