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DD41

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ID = 6621
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Diode   Detector 
Identical to DD41
Similar Tubes
Other class quality (otherwise equal):
  CV1403

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vd)
Filament Vf 4 Volts / If 0.5 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

625.png DD41: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
dd41_mazda_data_01.png
DD41: Original data sheet
Otto Galli

Usage in Models 5= 1938 ; 7= 1939 ; 3= 1946 ; 2= 1947? ; 1= 1948?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18


Collection of

 
dd41.jpg

 

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