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U920_Ostar

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ID = 604
       
Country:
Austria
Brand: Ostar (Gustav Ganz); Wien
Developer: Ostar (Gustav Ganz); Wien 
Tube type:  Triode, vacuum   Universal 
Identical to U920_Ostar
First Source (s)
Sep.1931 : Funk Bastler 1931 Heft 41

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 225 Volts / If 0.03 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

This tube was available for heater voltages of 115, 155 or 230 volts, or at customer's order for any voltage from 20 to 250 volts.

 
Text in other languages (may differ)
Information source Saga of the Vacuum Tube, Tyne   p.464,465
Taschenbuch zum Röhren-Codex 1948/49   

7_17.png U920_Ostar: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
ostaru920_kl_01.png
U920_Ostar: Ostar Werbeschrift
Thomas Lebeth

Collection of

 
u920_01.jpg

U920_Ostar
 

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