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S205

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ID = 28777
       
Country:
France
Brand: Lutèce-Lumière S.A.; Paris
Tube type:  Triode, vacuum   Power/Output 
Identical to S205
Similar Tubes
Normally replaceable-slightly different:
  F203
First year 1928 Saga of the Vacuum Tube, Tyne page 413
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 28
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.5 Ampere / Direct / Specified voltage AC/DC
Description

Manufacturers : Lutèce-Lumiere SA, Paris
LF power amplifier
Filament 2 to 2,5V 0,5A<>br Va : 40 to 150V
Ia : 10 to 12mA
Vg : -4 to -15V
S : 2.8 mA/V
μ : 5

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   Catalog 1929
Saga of the Vacuum Tube, Tyne   p.
b4_base_pins~~922.png S205: Fin Stewart
Fin Stewart

Just Qvigstad 		s205-lutece-doc.png
S205: Manufacturers data
Patrice Zeissloff
 
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