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DEP215

Information - Help 
ID = 15747
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to DEP215
First year Oct.1928 ? - - Manufacturers Literature Date of Marconi Publication No. 520A.

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

Va <120. Ra=6250 with Amp factor of 6.25

 
Dimensions (WHD)
incl. pins / tip
40 x 103 x mm / 1.57 x 4.06 x inch
Literature - - Manufacturers Literature   Pamphlet 243
- - Manufacturers Literature   Advt March 1927
 
dep215_pic.jpg
DEP215: Manufacturer's Literature
Emilio Ciardiello

 
b4_1~~10.png
DEP215: Fin Stewart
Fin Stewart

 
dep2151.png
DEP215: own collection
Peter den Boer


Usage in Models 2= 1927 ; 1= 1928? ; 1= 1928 ; 1= 1929? ; 3= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

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