radiomuseum.org

DFA6

Information - Aide 
ID = 46493
       
Pays:
Royaume Uni
Fabricant: Mullard Radio Valve Co. Ltd.;
Type:  Triode, vacuum   Power/Output 
Identique à DFA6

Culot Europe 4-Pin B4 (Eu A, E, 4A) 1914
Utilisé par Radio/TV-reception etc.
Chauffage Vf 5 Volt / If 0.85 Ampère / Direct / Battery =
Description

"A Power amplifier with a very large emission, suitable for operating with anode voltages up to 400 volts. It can also be used as a low power transmitter dissipating 10 watts continuously with perfect safety." Mullard.

Va < 400; Ra 4500 ohms, 1.45mA/V at Va=100 and Vg=0

 

Filament current of 0.85A is a maximum figure. DFA series = Dull Filament Amplifying

 
Bibliographie - - Manufacturers Literature   Advertisement May 1930

b4_base_pins~~93.png DFA6: Fin Stewart
Fin Stewart


Just Qvigstad
 
mullard_dfa6.jpg

 

[rmxtube-fr, noindex]
  

Mentions légales Plus d'informations