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SP2_Triotron

Information - Help 
ID = 20134
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Power/Output 
Identical to SP2_Triotron
Similar Tubes
Normally replaceable-slightly different:
  B205

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Information source - - Manufacturers Literature   1931 tube data booklet
 
sp2.jpeg
SP2_Triotron: Photo of tube from my collection - TS
Tomasz Szczesniak

 
sp2_triotron_so.png
SP2_Triotron: rtt
Michael Schlör

 

from Just Qvigstad


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