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CY31

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ID = 7695
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to CY31 = OM1 = CV1402
Similar Tubes
Other base:
  CY1
First year 1938 -- Collector info (Sammler)
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ui)
Filament Vf 20 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
cy31.png
CY31: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
oc2.png CY31: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
Just Qvigstad 		cy31_mull_dat_01.png
CY31: Roy Johnson
Anonymous 1 Collector
More ...
Usage in Models 1= 1939 ; 4= 1940?? ; 1= 1940? ; 5= 1940 ; 2= 1941?? ; 1= 1941? ; 3= 1941 ; 1= 1944?? ; 2= 1945 ; 1= 1946?? ; 3= 1946? ; 19= 1946 ; 4= 1947?? ; 8= 1947? ; 26= 1947 ; 4= 1948?? ; 4= 1948? ; 7= 1948 ; 1= 1949?? ; 2= 1949? ; 6= 1949 ; 3= 1950?? ; 1= 1950? ; 1= 1951 ; 1= 1956??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):111

Collection of

Antonio Varrica (I)
Jose Antonio Gonzalez-Ruiz (E)
Tomasz Szczesniak (PL)
Gaetano Di Bella (I)
Frank Cuffe (IRL)
Karlheinz Fischer (D)
 
cy31.jpg

CY31
 
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