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21B6

Information - Help 
ID = 27364
       
Country:
France
Brand: Mazda (tubes), Mazda-Belvu, Compagnie des Lampes; Paris
Tube type:  Vacuum Pentode   Power/Output 
Identical to 21B6
Similar Tubes
Other class quality (otherwise equal):
  PL81
Heater different:
  6DR6

Base Noval, 9 pin miniature (USA pico-9) B9A Top contact with a cap.
Filament Vf 21.5 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Dimensions (WHD)
incl. pins / tip
24 x 79 x mm / 0.94 x 3.11 x inch
Weight 17 g / 0.60 oz
Information source -- Collector info (Sammler)   
 
21b6_63.jpg
21B6: Collection JR
Jacob Roschy

 
6dr6_sock~~1.png
21B6: oj
Anonymous 15 Collector

 

from Just Qvigstad


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