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DE3

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ID = 3602
       
Country:
Great Britain (UK)
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to DE3 = VT28_GPO
Similar Tubes
Normally replaceable-slightly different:
  DE3_Nelson
Other base:
  DE3_UX
First Source (s)
1923 : British Radio Valves - The Vintage Years: 1904-1925 p. 52-53 & 84

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2.8 Volts / If 0.06 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 105 x 25 mm / x 4.13 x 0.98 inch
Weight 31 g / 1.09 oz
Information source Saga of the Vacuum Tube, Tyne   1925 Brown Brothers Catalog 217
Taschenbuch zum Röhren-Codex 1948/49   

b4_base_pins~~369.png DE3: Fin Stewart
Fin Stewart


Just Qvigstad
de3_spec.png
DE3: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

More ...
Usage in Models 1= 1922 ; 6= 1923 ; 1= 1924? ; 3= 1924 ; 3= 1925? ; 6= 1925 ; 1= 1926? ; 12= 1926

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):33

Collection of

 
marconi_de3_nvm.jpg

DE3
 

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