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AK1 Info
Country:  Europe      Brand:  Common type Europe 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Tube ID = 559
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Identical to AK1 = TK1 = MO465 = WE21
Similar Tubes AK2 (other base)   A4GDR (can normally be replaced - small diff'ce)   BK1 (Heater different)   NMO46 (can normally be replaced - small diff'ce)   FC4 (other base)  
First Series   Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Mar.1934 : Philips Bulletin
Feb.1934 : Toute la radio # 1
Predecessor Tubes RENS1224   E448   X4122  
Successor Tubes AK2  

Base Europe 7-Pin (C7A, C, 1933) (Codex=Leo) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament -: Indirect / If: 0.65 Ampere / Vf 4 Volts /
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   Design = Philips

  ak1_1.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
ak1_r.jpg
Collection JR
Jacob Roschy

 
hx6.gif
RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ak1_spec.png
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models   1= 1934?? ; 10= 1934? ; 155= 1934 ; 2= 1935?? ; 9= 1935? ; 92= 1935 ; 1= 1936?? ; 1= 1936? ; 22= 1936 ; 3= 1937 ; 1= 1938?? ; 1= 1962 ;
Number of Models with this tube   298
No further Information for

AK1    

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