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39

Information - Help 
ID = 2666
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 39 = PH39 = PH239 = ER239 = NU39 = 139 = ER44 = NU-239 = NU-39/44
Similar Tubes
Other shape (e.g. bulb type):
  C239
Normally replaceable-slightly different:
  38039 ; 39/44 ; 439_Sparton ; 44
Heater different:
  NY65
First year 1931 -- Collector info (Sammler)
First Source (s)
Feb.1932 : -- Collector info (Sammler)
Successor Tubes 39/44  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

We thought that the tube 39 arrived in February 1932, but some models indicate 1931. Who knows more?

 
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  39.png
  39: Internet
Miguel Angel Trujillo-Rodriguez
 
39_a.jpg
39: scc
Christian Schaufelberger

 
s_228_g.gif
39: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
39_rca_data_01.png
39: Mullard - original papers
Detlef Narten


Usage in Models 14= 1931? ; 1= 1931 ; 14= 1932?? ; 12= 1932? ; 93= 1932 ; 8= 1933?? ; 10= 1933? ; 40= 1933 ; 10= 1934?? ; 9= 1934? ; 27= 1934 ; 10= 1935?? ; 2= 1935? ; 13= 1935 ; 1= 1936?? ; 3= 1936? ; 2= 1936 ; 1= 1938? ; 1= 1939 ; 1= 1940?? ; 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):273


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