Antique radios, Old Time Radios

1R5T

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	Normally replaceable-slightly different: 1a2p Heater different: 1H33; 1R5
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	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	0 Tube prices (visible for members only)

Sammlung
Wolfgang Bauer

Telefunken Werkstattbuch
Wolfgang Bauer

Usage in Models (calculation each 25th of the month)	2= 1948 ; 1= 1950?? ; 2= 1950? ; 8= 1950 ; 2= 1951 ; 1= 1952? ; 7= 1952 ; 1= 1953? ; 5= 1953 ; 1= 1954 ; 1= 1955?? ; 4= 1955 ; 2= 1956? ; 19= 1956 ; 6= 1957 ; 3= 1958? ; 4= 1958 ; 1= 1959?? ; 3= 1959 ; 1= 1960 ; 1= 1961 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 75

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1R5T

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