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1R5T Info
Country:  Hungary      Brand:  Tungsram; Budapest (see also British T.) 
  Developer:  Tungsram; Budapest (see also British T.) 
  Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Tube ID = 2626
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Identical to 1R5T
Similar Tubes 1H33 (Heater different)   1R5 (Heater different)   1a2p (can normally be replaced - small diff'ce)  
First Source (s) Apr.1949 : Funkschau (FS) 1949, Heft 9
Sep.1948 : Funk-Technik (FT) 1948 #18

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament -: Direct / -: Battery = / If: 0.025 Ampere / Vf 1.4 Volts /
Description 1R5 with half of the heater consumption 
Text in other languages (may differ)
Tube prices 0 Tube prices (visible for members only)

1r5t_2.jpg
Sammlung
Wolfgang Bauer

 
595_1.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   2= 1948 ; 1= 1950?? ; 2= 1950? ; 6= 1950 ; 1= 1951 ; 1= 1952? ; 7= 1952 ; 1= 1953? ; 5= 1953 ; 1= 1954 ; 1= 1955?? ; 1= 1955 ; 2= 1956? ; 8= 1956 ; 6= 1957 ; 3= 1958? ; 4= 1958 ; 1= 1959?? ; 2= 1959 ; 1= 1960 ; 1= 1961 ;
Number of Models with this tube   57
No further Information for

1R5T    

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04DecX