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ID = 7924
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to HVR2
Similar Tubes
Normally replaceable-slightly different:
  CV1134 ; CV1291 ; SU4150A
Heater different:
First year Aug.1937 Wireless World (The), London (WW, 79) Show report
Successor Tubes NU34   CV1134   VU134  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Em) Top contact with a cap.
Filament Vf 4 Volts / If 0.65 Ampere / Half indirect / Specified voltage AC/DC
Description <6kV rms <3mA mean. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   

hvr2_sock.png HVR2: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
HVR2: Maintenance Manual Mullard 1952
Anonymous 1038 Collector

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Usage in Models 1= 1938 ; 2= 1946 ; 2= 1948 ; 4= 1949

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of

Collection of a member from FIN


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