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L415D

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ID = 2772
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Vacuum Pentode   Power/Output 
Identical to L415D = L415D/4
Similar Tubes
Normally replaceable-slightly different:
  P420 ; RES174d
Other base:
  L415D_5pin
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jul.1928 : Funk Bastler 1928, Heft 31
Successor Tubes RES164d   PP430  

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)
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
l415d_1.jpg
L415D
Roland Biesler

 
5.png
L415D: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_20.png
L415D: J R
Jacob Roschy


Usage in Models 1= 1928?? ; 1= 1928? ; 3= 1928 ; 3= 1929 ; 1= 1930? ; 2= 1930 ; 3= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14



Forum contributions about this tube
L415D
Threads: 1 | Posts: 1
Hits: 1937     Replies: 0
L415D (L415D) ist die beste...
Konrad Birkner † 12.08.2014
01.Dec.06
  1

Eine Werbung vom 14.6.1929, die ich nicht vorenthalten möchte

 Ja, die Jazzband

 
L415D
End of forum contributions about this tube

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