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E424

Information - Help 
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 (O5A, B5) (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuumtube, Tyne
  ugebungsschaltungphilipsradio2634_1.png
  E424: Philips Info
Willy De Grande
 
e424_a_1.jpg
E424: scc
Christian Schaufelberger

 
7_15.png
E424: Telefunken Werkstattbuch
Wolfgang Bauer

 
daten_e424_philips.png
E424: g.h.
Gerhard Heigl


Usage in Models 5= 1928 ; 3= 1929?? ; 21= 1929 ; 2= 1930?? ; 2= 1930? ; 31= 1930 ; 6= 1931? ; 38= 1931 ; 3= 1932? ; 24= 1932 ; 4= 1933? ; 13= 1933 ; 2= 1934? ; 10= 1934 ; 1= 1935?? ; 3= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):168



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