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ID = 9757
Brand: Radio-Record - Röhrenmarke; Holland
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to AC/S_Radiorecord = AC/S
Similar Tubes
Normally replaceable-slightly different:
  AS4120 ; E452T

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Filament Vf 4 Volts / If 1.1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
AC/S_Radiorecord: AC/S
Frank Cuffe

AC/S_Radiorecord: Telefunken Werkstattbuch
Wolfgang Bauer


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