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21A6

Information - Help 
ID = 19694
       
 
   
Tube type:  Beam Power Tube 
Identical to 21A6 = PL81

Base Noval, B9A Top contact with a cap
Filament Vf 21.5 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Tube prices 1 Tube prices (visible for members only)
  valvula21a6.png
  21A6: Internet
Miguel Angel Trujillo-Rodriguez
 
21a6pix.jpg
21A6: Rogers 21A6 Britain
John Albion

 
no22_g_2.gif
21A6: RTT Schwandt
Günther Stabe

 

Usage in Models 1= 1952 ; 4= 1953 ; 2= 1954 ; 3= 1955

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10


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