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AT20

Information - Help 
ID = 15563
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to AT20 = CV1361
Similar Tubes
Normally replaceable-slightly different:
  MZ05-20
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 6 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC
Description

According to the German "Codex 1948" there is also the A.T.20 from Cossor with a 4-volt-heater.

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
at20_so.png AT20: rtt
Anonymous 10 Collector

Just Qvigstad 		cv1361-at20_1.png
AT20: Manufacturer's Literature
Emilio Ciardiello
More ...
Usage in Models 1= 1939
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Collection of a member from I
Richard Stow (GB)
Alexander Hofer (A)
 
at20_mazda.jpg

AT20
 
Forum contributions about this tube
AT20
Threads: 1 | Posts: 1
Hits: 2870     Replies: 0
AT20 (AT20)
Jan Terranea
27.Apr.10 		  1
AT20 (AT20) 

AT20 is the old British Army code for an Army Transmitting Triode; after introduction of the Common Valve register (CV) it became CV1361.
 
AT20
End of forum contributions about this tube
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