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HP211_7pin

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ID = 20902
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to HP211_7pin
Similar Tubes
Other base:
  HP211

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct
Information source Babani, International Radio Tube Encyclopaedia   p. 110 & 111
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 177, p. 306

156_2.png HP211_7pin: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad

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hp211.jpg

 

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