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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   Universal 
  Ca. 1925 up to 1945 rare.
Identical to F215
Similar Tubes
Normally replaceable-slightly different:
  A2200W
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 Vacuum Tube, Tyne p.421
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=E) Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.5 Ampere / Indirect / Specified voltage AC/DC
Description

Detection, LF amplification.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
f215.gif
F215: ficha de valvulas
Getulio Jimenez-Gomez
s_452_g.gif F215: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad 		f215data.png
F215: own collection
Peter den Boer
More ...
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

Collection of

Aldo Patriarca (CH)
John Koster (NL)
Patrice Zeissloff (F)
Collection of a member from D
Klaus Neumann (D)
Collection of a member from D
Hartmut Völler (D)
 
f215_philips_1.jpg

F215
 
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