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904V

Information - Help 
ID = 13587
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 904V
Similar Tubes
Normally replaceable-slightly different:
  41MH ; 4DXAC ; A30B ; AC2HL ; MH41

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description "Non-microphonic detector" 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
904v_mullard.jpg
904V: Sammlung
Anonymous 557 Collector

 
7_62.png
904V: Telefunken Werkstattbuch
Wolfgang Bauer

 
mullard_904v.png
904V: KoBi
Konrad Birkner † 12.08.2014


Usage in Models 1= 1931? ; 3= 1931 ; 5= 1932? ; 2= 1932 ; 1= 1933?? ; 2= 1933? ; 3= 1934? ; 3= 1934 ; 1= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21

Collection of a member from D

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