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RES174d

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ID = 741
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   Power/Output 
Identical to RES174d = BF43 = PB4 = DU415 = DX3 = Pentodion-Fourvolt = LL415 = RO4243 = P420 = B443_4pin = W443_4pin = J43 = PP415_4pin
Similar Tubes
Normally replaceable-slightly different:
  L415D ; L43
Other base:
  ME4_362 ; RES174 ; W443
Other base and data slightly different:
  M1004X
First year 1931 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Aug.1931 : Funk Bastler 1931 Heft 33

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eoo) Sidecontact
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Parallel, (AC/DC)
Description

RES174d - siehe auch irrtümliche RES174.

 
Tube prices 5 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
res174d_telefunken_ve.jpg
RES174d: Sammlung I.M.
Anonymous 557 Collector

 
5_2.png
RES174d: Telefunken Werkstattbuch
Wolfgang Bauer

 
res174d_spec.png
RES174d: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1928 ; 3= 1929 ; 1= 1931? ; 3= 1931 ; 1= 1932?? ; 34= 1933 ; 2= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):45


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