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EK1 Info
Country:  Netherlands      Brand:  Philips; - Eindhoven; Netherlands 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Tube ID = 524
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Identical to EK1 = TEK1
Similar Tubes AK2 (Heater different)   CK1 (Heater different)  
First Series   Mar.1934 Tube leaflet collection E.Erb Philips-Bulletin März 1934
First Source (s) Mar.1934 : Philips Bulletin
Successor Tubes 1936 EK2  

Base Europe side contact base P (P8A) (Codex=Seo)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 0.4 Ampere / Vf 6.3 Volts /
Description Gehört zur ersten Autoradioröhrenserie in Europa. 
Text in other languages (may differ)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  umgebungsschaltbild_ek1.png
  Röhrenkartei Drenkelfort
Peter Hoddow
ek1_tf_gd_r.jpg
Collection JR
Jacob Roschy

 
25_3.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
ek1_tech.png
Valvo Röhrendatenblatt
Martin Steyer

Usage in Models   2= 1934 ; 5= 1935 ; 7= 1936 ; 1= 1937 ; 1= 1938 ;
Number of Models with this tube   16
No further Information for

EK1    

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