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SP4S

Country:  Hungary      Brand:  Tungsram; Budapest (see also British T.) 
  Tube type:  Vacuum Pentode   RF/IF-Stage 
Tube ID = 10268
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Identical to SP4S

Base Europe side contact base P (P8A) (Codex=Sf)
Filament Vf 4 Volts / If: 0.6 Ampere /
Literature Taschenbuch zum Röhren-Codex 1948/49   

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SP4S: Telefunken Werkstattbuch
Wolfgang Bauer

 

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