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DFA0

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ID = 30711
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Triode, vacuum   Power/Output 
  <1925 rare.
Identical to DFA0
Similar Tubes
Other base:
  DFA0_UV
First Source (s)
1924 : Saga of the Vacuum Tube, Tyne

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.35 Ampere / Direct / Battery =
Description

Low consumption loud speaker valve.

 
Dimensions (WHD)
incl. pins / tip
52 x 176 x 28 mm / 2.05 x 6.93 x 1.10 inch
Weight 54 g / 1.90 oz
Information source Saga of the Vacuum Tube, Tyne   1925 Brown Brothers Catalog 217

b4_base_pins~~88.png DFA0: Fin Stewart
Fin Stewart


Just Qvigstad
dfa0_spec.png
DFA0: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Collection of

 
dfa0mullard.jpg

 

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