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KE50

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ID = 12781
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Screen-grid Tetrode   Audio Frequency 
Identical to KE50
Similar Tubes
Normally replaceable-slightly different:
  DAS1
First Source (s)
Feb.1942 : -- Original-techn. papers.

Base Midget 4 pin Hivac (Sm4) (Codex=Sp 25)
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description

hard-hearing aid- old-style miniature type

 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_428_g.gif KE50: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

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Just Qvigstad
ke50data.png
KE50: own collection
Peter den Boer

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Collection of

 
ke_50.jpg

 

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