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19

Information - Help 
ID = 3224
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Power/Output 
Identical to 19 = 19E = PH19
Similar Tubes
Normally replaceable-slightly different:
  38019
Other base:
  1J6G
First year 1933 Radios von gestern, 2. Auflage
First Source (s)
Jan.1933 : 70 Years of Radiotubes and V.

Base 6-Pin-Base U6A, old, USA (Codex=Ko)
Filament Vf 2 Volts / If 0.26 Ampere / Direct / Battery = /
Description Stokes (p.77) says "released early in 1933" and gives a reference (p.81): "Radio Craft, New Tube Developments, Jan.1933, p.398"; If an article is printed in January it most probably reports from the near past, i.e. from late 1932! There was an information, then the report had to be written before printing. Stokes conclusion appears to be inaccurate. 
Text in other languages (may differ)
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  valvula19.png
  19: Internet
Miguel Angel Trujillo-Rodriguez
 
19_ar.jpg
19: Collection JR
Jacob Roschy

 
463.png
19: Telefunken Werkstattbuch
Wolfgang Bauer

 
19_techdat01.png
19: Sylvania Technical Manual
Peter Hoddow


Usage in Models 2= 1932 ; 3= 1933?? ; 5= 1933? ; 20= 1933 ; 6= 1934?? ; 2= 1934? ; 85= 1934 ; 14= 1935?? ; 8= 1935? ; 100= 1935 ; 30= 1936?? ; 12= 1936? ; 145= 1936 ; 20= 1937?? ; 11= 1937? ; 87= 1937 ; 31= 1938?? ; 4= 1938? ; 54= 1938 ; 22= 1939?? ; 6= 1939? ; 12= 1939 ; 10= 1940?? ; 4= 1940? ; 6= 1940 ; 9= 1941?? ; 8= 1941? ; 1= 1941 ; 1= 1942?? ; 1= 1942? ; 1= 1946? ; 2= 1950

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):722

Collection of a member from FIN

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