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DH30

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ID = 14104
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to DH30 = VT133_GPO = CV1695
Similar Tubes
Normally replaceable-slightly different:
  HSD
Other base and other heater:
  CBC1

Base British-7-Pin, old (M7A) (Codex=Nb) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source The Saga of Marconi Osram Valve   p. 331
History of the British Radio Valve to 1940   p.140 & 179
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

523_4.png DH30: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 16= 1934 ; 1= 1935? ; 3= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20

Collection of

Collection of a member from FIN
 
osram_dh30_e423.jpg

DH30
 

Variants

DH30 with dome bulb



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