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E444N

Information - Help 
ID = 19801
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Diode-Tetrode   Universal 
Identical to E444N
Similar Tubes
Other base:
  E444N_UX6pin
Differences not known by us:
  E444

Base Europe 6-Pin B6 (Hx B) 1933
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source
 
e444n.jpg
E444N: INTERNET PIC
Peter Hughes

 
s_11_g_1.gif
E444N: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

 

from Just Qvigstad

Usage in Models 1= 1933? ; 1= 1934? ; 13= 1935 ; 10= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25

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