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EK1

Information - Help 
ID = 524
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to EK1 = TEK1 = VEK1 = VK1
Similar Tubes
Heater different:
  AK2 ; CK1
First year Mar.1934 Tube leaflet collection E.Erb Philips-Bulletin März 1934
First Source (s)
Mar.1934 : Philips Bulletin #D13
Successor Tubes 1936   EK2  

Base Europe side contact base P (P8A) (Codex=Seo)
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
Description Gehört zur ersten Autoradioröhrenserie in Europa. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
  umgebungsschaltbild_ek1.png
  EK1: Röhrenkartei Drenkelfort
Peter Hoddow
 
ek1_674.jpg
EK1: Collection JR
Jacob Roschy

 
25_3.png
EK1: Telefunken Werkstattbuch
Wolfgang Bauer

 
ek1_data1.png
EK1: Telefunken 1936
Robert Schmalstieg


Usage in Models 2= 1934 ; 16= 1935 ; 2= 1936? ; 16= 1936 ; 2= 1937 ; 2= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):40



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