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E444

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ID = 1724
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Diode-Tetrode   Universal 
Identical to E444 = AN4126 = RENS1254 = A4DP = TE44 = NDS42 = WE26 = DS4100 = B430N = RS4144 = RS4344 = 5-444
Similar Tubes
Other shape (e.g. bulb type):
  T5-444
Normally replaceable-slightly different:
  4A14 ; A4DF ; DT3_Zenith ; E444N ; SB4100 ; T4400 ; W444
Heater different:
  B2044
Other base:
  E444N_UX6pin ; E444_B5+1 ; E444_UX6
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Apr.1933 : Philips Bulletin #D6
Successor Tubes 1937   EBF1   EBF2   DT4  

Base Europe 6-Pin B6 (1933) (Codex=Le) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  e444.gif
  E444: ficha de valvulas
Getulio Jimenez-Gomez
 
e444_ppgl_rn.jpg
E444: Collection JR
Jacob Roschy

 
12_7.png
E444: Telefunken Werkstattbuch
Wolfgang Bauer

 
e444_spec.png
E444: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 2= 1933?? ; 14= 1933? ; 72= 1933 ; 2= 1934?? ; 7= 1934? ; 79= 1934 ; 7= 1935? ; 40= 1935 ; 2= 1936? ; 11= 1936 ; 1= 1937?? ; 1= 1937 ; 1= 1938 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):240


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