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Ea

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ID = 15820
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Triode, vacuum   Power/Output 
Identical to Ea
First Source (s)
1928 : Saga of the Vacuum Tube, Tyne p.439

Base 4-socket Germany
Was used by Telephony
Filament Vf 8.2 Volts / If 1.1 Ampere / Direct
Description

5 Watt Weitverkehrsröhre (Poströhre).

 
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
ea.jpeg_1.jpg
Ea: Ake Holm-Internet
Perica Adnadevic

 
verstaerkerroehre_ea1.png
Ea: Siemens corporative archive
Perica Adnadevic


from Just Qvigstad

Collection of a member from D

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