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1R5

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ID = 428
       
Country:
Worldwide
Brand:
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter   Controlling (mu) 
Identical to 1R5 = DK91 = 1А1П = VT-171 = X17 = 1A2_1R5
Similar Tubes
Other class quality (otherwise equal):
  CV782
Heater different:
  1H33 ; 1R5T ; 400A_WE ; 400B_WE
Other base:
  1R5_Loktal ; VT-171A
First year 1940 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
13.Nov.1939 : Tube Lore (I)
Predecessor Tubes 1A7G   1LA6  

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description Typ Va=90, Ia=1.6mA, gc=0.3. (Ferranti Literature) 
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature

1r5.png
1R5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

595.png 1R5: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
1r5_daten.png
1R5: Brimar Manual No. 7
Daniel Consales

More ...
Usage in Models 1= 1939? ; 1= 1940?? ; 3= 1940? ; 21= 1940 ; 7= 1941?? ; 13= 1941? ; 34= 1941 ; 3= 1942?? ; 10= 1942? ; 15= 1942 ; 1= 1943?? ; 4= 1943? ; 2= 1943 ; 1= 1944? ; 1= 1944 ; 2= 1945?? ; 7= 1945 ; 3= 1946?? ; 10= 1946? ; 70= 1946 ; 3= 1947?? ; 22= 1947? ; 173= 1947 ; 14= 1948?? ; 43= 1948? ; 200= 1948 ; 13= 1949?? ; 19= 1949? ; 170= 1949 ; 65= 1950?? ; 41= 1950? ; 156= 1950 ; 36= 1951?? ; 48= 1951? ; 129= 1951 ; 36= 1952?? ; 45= 1952? ; 102= 1952 ; 11= 1953?? ; 73= 1953? ; 125= 1953 ; 10= 1954?? ; 95= 1954? ; 125= 1954 ; 52= 1955?? ; 115= 1955? ; 75= 1955 ; 11= 1956?? ; 78= 1956? ; 79= 1956 ; 3= 1957?? ; 72= 1957? ; 27= 1957 ; 6= 1958?? ; 12= 1958? ; 24= 1958 ; 2= 1959?? ; 2= 1959? ; 43= 1959 ; 5= 1960?? ; 7= 1960 ; 2= 1961? ; 1= 1961 ; 1= 1963? ; 1= 1968?? ; 1= 1969?? ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2588


Collection of

 
1r5.png

1R5
 

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