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ID = 40171
Brand: Ostar (Gustav Ganz); Wien
Developer: Ostar (Gustav Ganz); Wien 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to A520_110V
Similar Tubes
Heater different:
Other base and other heater:
First Source (s)
Sep.1931 : Funk Bastler 1931 Heft 41

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 110 Volts / If 0.03 Ampere / Indirect / Specified voltage AND current AC/DC

On the tube is printed 110-120V (filament

Siehe auch: Empfängerröhren mit Hochvoltkathoden )

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
50 x 105 x 34 mm / 1.97 x 4.13 x 1.34 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   p.465
- - Manufacturers Literature   
Saga of the Vacuum Tube, Tyne

a520_110v_so.png A520_110V
Anonymous 10 Collector

Just Qvigstad
A520_110V: own collection
Peter den Boer

Usage in Models 1= 1932?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



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