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DEH410

Information - Help 
ID = 14090
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to DEH410
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 4 Volts / If 0.1 Ampere / Direct / Battery =
Description

Dull emitter high gain amplifier. Mu 40; 0.66mA/V slope; 60K impedance.

 
Dimensions (WHD)
incl. pins / tip
46 x 193 x mm / 1.81 x 7.60 x inch
Literature - - Manufacturers Literature   Pamphlet 243
 
deh410_marconi_1.jpg
DEH410: Sammlung IM
Anonymous 557 Collector

 
deh4101.png
DEH410: own collection
Peter den Boer


Collection of a member from D

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