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A209

Information - Help 
ID = 2448
       
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 A209
Similar Tubes
Normally replaceable-slightly different:
  210A_Eagle ; M102 ; M15
Other base:
  A209_UX4
First year 1925 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
1924 : Saga of the Vacuumtube, Tyne p.421
15.Jan.1926 : Radio Luistergids, The Netherlands and February 1926

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description Also made with UX4 base. 
Dimensions (WHD)
incl. pins / tip
41 x 98 x 31 mm / 1.61 x 3.86 x 1.22 inch
Weight 37 g / 1.31 oz
Literature - - Manufacturers Literature   R149H 1-11-1926
Taschenbuch zum Röhren-Codex 1948/49   
 
a209_01.jpg
A209: Collection TL
Thomas Lebeth

 
bc9_so.png
A209: rtt
Michael Schlör

 
a209.png
A209: own collection
Peter den Boer


Usage in Models 1= 1926 ; 1= 1927? ; 1= 1928?? ; 1= 1930 ; 2= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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