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E447

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ID = 1733
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to E447 = H4129D = RENS1294 = A4AMS = A4AMS2 = TE47 = NVS43 = WE24 = LAS324 = HP4106 = RS4347 = S432 = VMP4 = 4A10_Ultron = 5-447 = 4A11_Ultron
Similar Tubes
Other shape (e.g. bulb type):
  T5-447
Normally replaceable-slightly different:
  AF2 ; DH204 ; MT4110 ; S434N ; T4700 ; TM-C3G-PV ; VH2 ; W447 ; W519
Heater different:
  B2047
Other base:
  E447_UX7 ; NVS43_B5+1
Other base and data slightly different:
  HP4105
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Apr.1933 : Philips Bulletin #D6
Predecessor Tubes E455  
Successor Tubes AF2   AF3  

Base Europe 5-Pin (O5A, B5) (Codex=Fco) Top contact screw type
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  e447.gif
  E447: ficha de valvulas
Getulio Jimenez-Gomez
 
e447_philips.jpg
E447
Anonymous 557 Collector

 
13_6~~3.png
E447: Telefunken Werkstattbuch
Wolfgang Bauer

 
e447_spec.png
E447: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 3= 1933?? ; 5= 1933? ; 48= 1933 ; 1= 1934?? ; 6= 1934? ; 59= 1934 ; 2= 1935?? ; 4= 1935? ; 21= 1935 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):151


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