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G-51

Information - Help 
ID = 56818
       
Country:
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to G-51 = 51 = Z51
Similar Tubes
Other shape (e.g. bulb type):
  G-51-S

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Description Without sprayed metal shield 
Literature - - -   
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usa_majestic_g51_totale.jpg
G-51: Etsy Shop ConstantGalore Item 89357845
Franz Scharner

 
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G-51: Telefunken Werkstattbuch
Wolfgang Bauer

 

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