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DFA6

Informazioni - Aiuto 
ID = 46493
       
Stato:
Gran Bretagna (Regno Unito)
Produttore: Mullard Radio Valve Co. Ltd.;
Tipo:  Triodo a vuoto   Power/Output 
Identico a DFA6

Zoccolo Europe 4-Pin B4 (Eu A, E, 4A) 1914
Utilizzata per Radio/TV-reception etc.
Filamento Vf 5 Volt / If 0.85 Ampere / Direct / Battery =
Descrizione

"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

 
Bibliografia - - Manufacturers Literature   Advertisement May 1930

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


Just Qvigstad
 
mullard_dfa6.jpg

 

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