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1E7

Information - Help 
ID = 10515
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Pentode   Power/Output 
Identical to 1E7

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uo)
Filament Vf 2 Volts / If 0.24 Ampere / Direct / Battery =
Description There is no metal tube 1E7, see under 1E7G or 1E7GT 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  valvula1e7.png
  1E7: Internet
Miguel Angel Trujillo-Rodriguez
 
1e7~~1.jpg
1E7: Baptiste H. - Personal collection
Baptiste Hobbe

 
402.png
1E7: Telefunken Werkstattbuch
Wolfgang Bauer

 
1e7_dat.png
1E7: Röhren-Handbuch 1995 Franzis-Verlag
Heinz Höger


from Just Qvigstad

Usage in Models 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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