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CBL31

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ID = 11000
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Diode-Pentode   Power/Output 
Identical to CBL31 = CV1463
Similar Tubes
Other base:
  CBL1
Other base and data slightly different:
  DP4480

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ui)
Filament Vf 44 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   

cbl31.png
CBL31: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

oc19.png CBL31: RTT 1974 (Franzis) 13. Auflage
Martin Renz

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Just Qvigstad
cbl31_mull_dat_01.png
CBL31: Roy Johnson
Anonymous 1 Collector

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Usage in Models 1= 1939 ; 2= 1940 ; 1= 1946?? ; 1= 1946? ; 2= 1946 ; 1= 1947?? ; 3= 1947? ; 8= 1947 ; 1= 1948 ; 1= 1950??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21

Collection of

 
cbl31_b.jpg

CBL31
 

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