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DH30

Information - Help 
ID = 14104
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to DH30 = VT133_GPO = CV1695
Similar Tubes
Other base:
  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 / Parallel / series AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
dh30a_1.jpg
DH30: RJ
Roy Johnson

 
523_4.png
DH30: Telefunken Werkstattbuch
Wolfgang Bauer

 

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 a member from FIN

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