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E424N

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ID = 1693
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Universal 
Identical to E424N = WE27 = RS4324 = LA203 = 4A6_Ultron = E428 = A4090 = A4D1 = TE24N = 4A90 = REN904 = A4110
Similar Tubes
Normally replaceable-slightly different:
  4W120 ; DS2408 ; TM-CDT2 ; U41W
Other base:
  E424N_UY ; VT3_Oxytron
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1931 : -- Original-techn. papers.
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 33
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 100, p. 134
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
e424n.gif
E424N: ficha de valvulas
Getulio Jimenez-Gomez
7_16.png E424N: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		e424n_spec.png
E424N: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 1= 1930? ; 1= 1930 ; 1= 1931? ; 9= 1931 ; 1= 1932?? ; 2= 1932? ; 28= 1932 ; 4= 1933?? ; 7= 1933? ; 17= 1933 ; 1= 1934?? ; 2= 1934? ; 7= 1934 ; 1= 1935?? ; 1= 1935? ; 5= 1935 ; 2= 1936?? ; 2= 1936 ; 1= 1937
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):93

Collection of

Georges Werts (B)
Patrice Zeissloff (F)
Collection of a member from SK
Collection of a member from FIN
Hartmut Völler (D)
Peter Steffen (CH)
Collection of a member from D
Peter Pfeiffer (D)
Dmitrijs Ipolitov (LV)
Alessandro De Poi (I)
Jose Luis Villabona Horreo (E)
Danko Tkalec (HR)
Otto Frosinn (D)
Jacky Parmentier (F)
Tomasz Szczesniak (PL)
Michael Gnaedig-Fischer (MEX)
Antonio Varrica (I)
Heinz Schmidt (D)
Christian Schaufelberger (CH)
 
e424n_a.jpg

E424N
 
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