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39

Information - Help 
ID = 2666
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 39 = PH39 = PH239 = ER239 = 139 = NU-239 = RYB239 = T-39 = NU-39/44 = NU-39 = UY239 = ER44
Similar Tubes
Other shape (e.g. bulb type):
  C239
Normally replaceable-slightly different:
  38039 ; 39/44 ; 439_Sparton ; 44
Heater different:
  NY65
First year Feb.1932 -- Collector info (Sammler) >100 models, some with dated ads.
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 / Specified voltage AND current AC/DC
Description

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

 
Dimensions (WHD)
incl. pins / tip		 x 113 x 41 mm / x 4.45 x 1.61 inch
Weight 39 g / 1.38 oz
Tube prices 1 Tube prices (visible for members only)
Information source -- Collector info (Sammler)   
Tube Lore (II)   p. 27
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
39.png
39: Internet
Miguel Angel Trujillo-Rodriguez
s_228_g.gif 39: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		39_rca_data_01.png
39: Mullard - original papers
Detlef Narten
More ...
Usage in Models 1= 1930?? ; 14= 1932?? ; 27= 1932? ; 93= 1932 ; 8= 1933?? ; 13= 1933? ; 42= 1933 ; 10= 1934?? ; 9= 1934? ; 27= 1934 ; 10= 1935?? ; 2= 1935? ; 13= 1935 ; 1= 1936?? ; 3= 1936? ; 2= 1936 ; 1= 1938? ; 1= 1939 ; 2= 1940?? ; 1= 1940
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):280

Collection of

Robert Gillespie (USA)
Bruce Morgenstern (CDN)
George Papaiz (CDN)
Michael Gnaedig-Fischer (MEX)
Christian Schaufelberger (CH)
Pedro Prieto-Castro (E)
Tomasz Szczesniak (PL)
Wesselin Tzenow † 25.5.10 (D)
 
39_a.jpg

39
 
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