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S22

Information - Help 
ID = 3846
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Screen-grid Tetrode   Audio Frequency 
Identical to S22 = B262
Similar Tubes
Other shape (e.g. bulb type):
  SX2
Other characteristic (electr. data):
  S21

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er)
Filament Vf 2 Volts / If 0.18 Ampere / Direct / Series, DC
Description GB: S22 is a MOV-Valve (Marconi-Osram Valve); Tetrode 2 Volt. 
Text in other languages (may differ)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
s22.jpg
S22: s22
Alexandre Lavoie-Girard

 
s22_so.png
S22: rtt
Michael Schlör

 
s.22_osram.png
S22: osram wireless guide 1931
Giuseppe Antonio Tusini


Usage in Models 1= 1929 ; 1= 1930?? ; 1= 1930 ; 1= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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