radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

DFA1

Information - Help 
ID = 28510
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Power/Output 
Identical to DFA1
First year 1924 Saga of the Vacuumtube, Tyne Seite 378
First Source (s)
1924 : Saga of the Vacuumtube, Tyne

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 5.5 Volts / If 0.2 Ampere / Direct / Battery =
Description Low consumption loud speaker valve. 
Literature Saga of the Vacuumtube, Tyne   1925 Brown Brothers Catalog 217
 
img_20130919_173050_629744246.jpg
DFA1: Ebay item 111172938618
Clive Forder

 
dfa1_spec.png
DFA1: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg