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1291

Information - Help 
ID = 13593
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   VHF 
Identical to 1291 = 3B7 = CV811 = VT-182
First Source (s)
01.Feb.1943 : Electron Tube Registration List
Successor Tubes 3B7  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wy)
Was used by Transmittertube (Radio)
Filament Vf 2.8 Volts / If 0.22 Ampere / Direct / Battery =
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  1291_umgebung.png
  1291: MK-Röhrentabelle
Daniel Consales
 
3b7_1291_395r.jpg
1291: Collection JR
Jacob Roschy

 
1291.png
1291: ARRL Handbook 1972
Michael Schlör

 

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