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RES664d

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ID = 738
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   Power/Output 
Identical to RES664d
Similar Tubes
Normally replaceable-slightly different:
  Dn1004
Heater different:
  L491D
Multiple differences or of other kind:
  E443
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Aug.1930 : Funk Bastler 1930, Heft 35
Successor Tubes 1933   RES964   RES1664d  

Base Europe 5-Pin (O5A, B5) (Codex=Fop) Sidecontact
Filament Vf 4 Volts / If 0.6 Ampere / Direct / Parallel, (AC/DC)
Tube prices 5 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
res664d~~1.jpg
RES664d: eigene Sammlung HV
Hartmut Völler

 
4_44.png
RES664d: Telefunken Werkstattbuch
Wolfgang Bauer

 
res664d_spec.png
RES664d: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1930 ; 18= 1931 ; 1= 1932? ; 2= 1933?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of a member from D
Collection of a member from D

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