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TDD13C

Information - Help 
ID = 14888
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Diode-Triode 
Identical to TDD13C
Similar Tubes
Normally replaceable-slightly different:
  DTU1
Other characteristic (electr. data):
  HAD

Base British-7-Pin, old (M7A) (Codex=Nb)
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description Metallised bulb only (Mullard 1935 data) 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
tdd13c~~1.jpg
TDD13C: FC
Frank Cuffe

 
154_6.png
TDD13C: Telefunken Werkstattbuch
Wolfgang Bauer

 
tdd13c_techdat01.png
TDD13C: Mullard Valves 1936
Peter Hoddow


from Just Qvigstad

Usage in Models 2= 1935? ; 1= 1936?? ; 4= 1936? ; 1= 1936 ; 1= 1937? ; 7= 1937 ; 5= 1938 ; 1= 1939 ; 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23


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