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DR7-4

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ID = 21038
       
 
   
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to DR7-4
Similar Tubes
Normally replaceable-slightly different:
  DG7-4

Base Loctal-9-Pin (B9G)
Filament Vf 6.3 Volts / If 0.4 Ampere / Half indirect
Description Oszillografenröhre, asymm. Ablenkung 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   

lo41_g_9.gif DR7-4: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
dr7_4_techdat1.png
DR7-4: Miniwatt Handbuch
Peter Hoddow

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