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1R5T

Information - Help 
ID = 2626
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Developer: Tungsram; Budapest (see also British T.) 
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to 1R5T
Similar Tubes
Normally replaceable-slightly different:
  1А2П
Heater different:
  1H33 ; 1R5
First Source (s)
Apr.1949 : Funkschau 1949, Heft 9
Sep.1948 : Funk-Technik (FT) 1948 #18

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery =
Description 1R5 with half of the heater consumption 
Text in other languages (may differ)
Tube prices 8 Tube prices (visible for members only)
 
a_1r5t.jpg
1R5T: FC
Frank Cuffe

 
595_1.png
1R5T: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 3= 1948 ; 1= 1950?? ; 2= 1950? ; 9= 1950 ; 4= 1951 ; 1= 1952?? ; 1= 1952? ; 8= 1952 ; 1= 1953? ; 6= 1953 ; 3= 1954 ; 1= 1955? ; 7= 1955 ; 2= 1956? ; 21= 1956 ; 2= 1957? ; 6= 1957 ; 1= 1958? ; 10= 1958 ; 8= 1959 ; 1= 1960 ; 2= 1961 ; 1= 1962

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):101


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