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B2038

Information - Help 
ID = 1712
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Universal 
Identical to B2038 = A2118 = REN1821 = NW180 = NU180 = 20C3_Ultron = R2018
Similar Tubes
Normally replaceable-slightly different:
  G752 ; HM20 ; R2018d
Heater different:
  E438
First Source (s)
Nov.1931 : -- Original-techn. papers.
Successor Tubes CC2  

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
  b2038.png
  B2038: Internet
Miguel Angel Trujillo-Rodriguez
 
b2038.jpg
B2038: Röhrensammlung
Wolfgang Bauer

 
7_51.png
B2038: Telefunken Werkstattbuch
Wolfgang Bauer

 
b2038_spec.png
B2038: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 4= 1931 ; 29= 1932 ; 30= 1933 ; 4= 1934 ; 3= 1935 ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):71


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