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SN4

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ID = 14814
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Detector 
Identical to SN4
Similar Tubes
Normally replaceable-slightly different:
  41MHF

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC
Description

This tube used as a detector, first stage for low frequency amplification. It was also available metal sprayed.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1931 tube data booklet

triodeindirektb5_2.png SN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth


Just Qvigstad
sn4_daten_kennlinie.png
SN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth

 
triotr_sn4_11567_31426.jpg

 

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