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P414

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ID = 16163
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum   Power/Output 
Identical to P414 = B405 = RE114
Similar Tubes
Normally replaceable-slightly different:
  D5 ; L306 ; L4 ; M54 ; PM4X
First Source (s)
21.Jun.1929 : Radio-Expres, Netherlands

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Description

gm=3 at Va=150, Ia=12 -Vg1=16, Ra=1700.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Radio-Expres, Netherlands   

1_52.png P414: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
p414_spec.png
P414: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 1= 1928 ; 1= 1929?? ; 2= 1929 ; 1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
tungsramp4141_web.jpg

P414
 

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