1R5, Tube 1R5; Röhre 1R5 (1R5)

Antique radios, Old Time Radios

1R5

Country:	Worldwide		Brand:	Common type Worldwide
			Tube type:	Pentagrid-Converter (Heptode) Frequency converter Controlling (mu)

Tube ID = 428


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Identical to	1R5 = DK91 = 1a1p = VT-171 = X17 = 1A2_1R5
Similar Tubes	1R5T (Heater different) 1H33 (Heater different) VT-171A (other base) 1R5_Loktal (other base) 400A_WE (Heater different) 400B_WE (Heater different)
First Series	1940 Tube leaflet collection E.Erb Analysis by original leaflets
Predecessor Tubes	1A7G 1LA6

Base	Miniatur-7-Pin-Base B7G, USA 1940
Was used by	Radio/TV-reception etc.
Filament	-: Direct / -: Battery = / If: 0.05 Ampere / Vf 1.4 Volts /
Description	Typ Va=90, Ia=1.6mA, gc=0.3. (Ferranti Literature)
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49 - - Manufacturers Literature


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

Röhrensammlung
Wolfgang Bauer

Telefunken Werkstattbuch
Wolfgang Bauer

Brimar Manual No. 7
Daniel Consales

Usage in Models

1= 1940?? ; 9= 1940 ; 10= 1941?? ; 5= 1941? ; 20= 1941 ; 2= 1942?? ; 2= 1942? ; 13= 1942 ; 1= 1943?? ; 3= 1945?? ; 1= 1945 ; 4= 1946?? ; 1= 1946? ; 37= 1946 ; 1= 1947?? ; 9= 1947? ; 77= 1947 ; 7= 1948?? ; 8= 1948? ; 108= 1948 ; 11= 1949?? ; 5= 1949? ; 73= 1949 ; 36= 1950?? ; 24= 1950? ; 88= 1950 ; 28= 1951?? ; 9= 1951? ; 47= 1951 ; 25= 1952?? ; 25= 1952? ; 63= 1952 ; 7= 1953?? ; 43= 1953? ; 55= 1953 ; 6= 1954?? ;

Number of Models with this tube 1319

No further Information for

1R5

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