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6W7

Information - Help 
ID = 9520
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 6W7 = 6W7MG

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description

According to the nomenclature, an octal tube 6W7 without a suffix as -G, -GT, etc. would presume a metal version of this tube, which apparently does not exist, but there are metal-glass (MG) tubes stamped as 6W7, see also under 6W7G and 6W7MG.

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  6w7.png
  6W7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6w7.jpg
6W7: Röhrensammlung
Wolfgang Bauer

 
374_3.png
6W7: Telefunken Werkstattbuch
Wolfgang Bauer

 
6w7_dat.png
6W7: elektron taschenbuch 1952
Heinz Höger


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