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E424

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ID = 1674
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Audio Frequency 
Identical to E424 = TE24 = 70504 = NU41
Similar Tubes
Normally replaceable-slightly different:
  41MH ; Dn254 ; Dn284 ; I253 ; ND4_Orion ; NU4 ; REN904 ; T425 ; TL425 ; VT1_Oxytron ; W308 ; WG42
Other base:
  E424_4pin ; E424_UY
First year 1928 -- Collector info (Sammler)
First Source (s)
Nov.1928 : -- 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 Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuum Tube, Tyne

ugebungsschaltungphilipsradio2634_1.png
E424: Philips Info
Willy De Grande

7_15.png E424: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
daten_e424_philips.png
E424: g.h.
Gerhard Heigl

More ...
Usage in Models 1= 1928? ; 5= 1928 ; 2= 1929?? ; 3= 1929? ; 23= 1929 ; 3= 1930?? ; 3= 1930? ; 35= 1930 ; 7= 1931? ; 40= 1931 ; 4= 1932? ; 26= 1932 ; 4= 1933? ; 14= 1933 ; 4= 1934? ; 12= 1934 ; 1= 1935?? ; 2= 1935 ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):190


Collection of

 
e424_a_1.jpg

E424
 

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