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1U4

Information - Help 
ID = 2627
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 1U4 = DF904 = DT153
Similar Tubes
Normally replaceable-slightly different:
  5910
First Source (s)
Aug.1945 : Electron Tube Registration List
Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zoo)
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Tube prices 6 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  1u4.png
  1U4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
1u4_rca_1.jpg
1U4: Eigene Sammlung
Aldo Patriarca
 
1u4.png
1U4: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
 
1u4.png
1U4: Valvulas de recepción manual RC-20
Miguel Angel Trujillo-Rodriguez
Usage in Models 1= 1946? ; 7= 1946 ; 3= 1947?? ; 5= 1947? ; 38= 1947 ; 6= 1948?? ; 9= 1948? ; 68= 1948 ; 4= 1949?? ; 6= 1949? ; 69= 1949 ; 23= 1950?? ; 22= 1950? ; 75= 1950 ; 13= 1951?? ; 13= 1951? ; 55= 1951 ; 7= 1952?? ; 30= 1952? ; 48= 1952 ; 4= 1953?? ; 54= 1953? ; 80= 1953 ; 8= 1954?? ; 77= 1954? ; 57= 1954 ; 19= 1955?? ; 83= 1955? ; 62= 1955 ; 4= 1956?? ; 60= 1956? ; 62= 1956 ; 2= 1957?? ; 56= 1957? ; 19= 1957 ; 4= 1958?? ; 4= 1958? ; 16= 1958 ; 2= 1959? ; 39= 1959 ; 1= 1960?? ; 1= 1960? ; 7= 1960 ; 1= 1965?? ; 1= 1968? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1227
Collection of Martin Steyer (D)
Collection of Daniel Consales (D)
Collection of Bekir Yurdakul (F)
Collection of Tor Steinnes (N)
Collection of Karlheinz Fischer (D)
Collection of Michael Gnaedig-Fischer (MEX)
Collection of David Erali (USA)
Collection of Oskar Elm (D)
Collection of Rudolf Osterkamp (D)
Collection of Karl - Heinz Bossan (D)
Collection of Christian Schaufelberger (CH)
Collection of a member from FIN
Collection of Aldo Patriarca (CH)
Collection of George Papaiz (CDN)
Collection of Egon Strampe (D)
Collection of Frank Cuffe (IRL)
Collection of Geri Meier (CH)
Collection of Patrice Zeissloff (F)
Collection of Massimo Pedrina (I)
Collection of Joachim Glüder (D)
Collection of Carlos A. Pieroni-García (ROU)
Collection of Heinz Schmidt (D)
Collection of Egon Penker (A)
Collection of Siegfried Neumann (D)
Collection of Ottmar Rollmann (D)
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