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EBF21

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ID = 2756
       
Country:
Austria
Brand: Siemens-Austria (WSW); Wien
Tube type:  Double Diode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EBF21
Similar Tubes
Other characteristic (electr. data):
  7R7

Base Loctal-8, B8G (Sylvania, 1938)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.33 Ampere / Indirect / Specified voltage AC/DC
Tube prices 1 Tube prices (visible for members only)

390~~1.png EBF21: Telefunken Werkstattbuch
Wolfgang Bauer

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Just Qvigstad
ebf21.png
EBF21: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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Usage in Models 1= 1949 ; 1= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
ebf21_048r.jpg

EBF21
 

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