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S4

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ID = 2573
       
Country:
Hungary
Brand: Sator (brand of Tungsram for tubes)
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to S4
Similar Tubes
Normally replaceable-slightly different:
  A442 ; RES044 ; S407 ; S408
First Source (s)
1930 : Saga of the Vacuum Tube, Tyne p.314

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.12 Ampere / Direct / Battery =
Description

The same tube is also branded Orion.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
38 x 130 x 34 mm / 1.50 x 5.12 x 1.34 inch
Weight 50 g / 1.76 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
s4orion.jpg
S4: own collection
Peter den Boer

 
3_10.png
S4: Telefunken Werkstattbuch
Wolfgang Bauer

 
s4data.png
S4: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 1= 1932 ; 1= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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