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21F12

Information - Help 
ID = 44282
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Beam Power Tube   Power/Output 
Identical to 21F12
Similar Tubes
Normally replaceable-slightly different:
  PL81

Base Noval, B9A Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 21 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
 
21f12.jpg
21F12: Mia collezione privata
Giulio Maiocco

 
i_magnadyne_21f12_socket.gif
21F12: GBC TUBE CATALOGUE 1968
Giuseppe Feniello

 


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