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21A6

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

Base Noval, 9 pin miniature (USA pico-9) B9A Top contact with a cap.
Filament Vf 21.5 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 1 Tube prices (visible for members only)

valvula21a6.png
21A6: Internet
Miguel Angel Trujillo-Rodriguez

no22_g_2.gif 21A6: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
21a6.png
21A6: eigenes Dokument
Roland Böhme

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

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

 
21a6pix.jpg

 

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