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F215

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ID = 1666
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to F215 = A2200W
Similar Tubes
Other base:
  F215_B5 ; F215_UX4 ; F215_UY
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1927 : -- Original-techn. papers. 279 PA
1927 : Saga of the Vacuumtube, Tyne p.421

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=E) Sidecontact
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.5 Ampere / Indirect / Parallel, (AC/DC)
Description Detection, LF amplification. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
  f215.gif
  F215: ficha de valvulas
Getulio Jimenez-Gomez
 
f215_philips_1.jpg
F215: Sammlung IM
Anonymous 557 Collector

 
s_452_g.gif
F215: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
f215data.png
F215: own collection
Peter den Boer


Usage in Models 3= 1927 ; 3= 1928? ; 4= 1928 ; 2= 1929 ; 1= 1930??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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