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AD1_4pin

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ID = 76996
       
 
   
Tube type:  Triode, vacuum   Power/Output 
Identical to AD1_4pin
Similar Tubes
Other base:
  AD1

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.9 Ampere / Direct / Parallel, (AC/DC)
 
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AD1_4pin: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 

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