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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
Other shape (e.g. bulb type):
  GP210
Normally replaceable-slightly different:
  210A_Eagle ; 210_Eagle ; A210_Philips ; BA9 ; BC9 ; CT210LF ; DR2_Ediswan ; Detection ; E205 ; E205H ; E210_Eagle ; E215 ; M102 ; M15 ; RE062 ; UN206
Other base:
  A209_UX4
First year 1925 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
1924 : Saga of the Vacuum Tube, Tyne p.421
15.Jan.1926 : Radio Luistergids, The Netherlands and February 1926
Base Europe 4-Pin B4 (Eu A, E, 4A) 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
Information source - - Manufacturers Literature   R149H 1-11-1926
L'ABCDaire des lampes de TSF des jeunes années   p. 17
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
bc9_so.png A209: rtt
Anonymous 10 Collector
More ...
Just Qvigstad 		a209.png
A209: own collection
Peter den Boer
More ...
Usage in Models 1= 1926 ; 1= 1927? ; 1= 1928?? ; 1= 1929? ; 1= 1930 ; 2= 1935
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

Thomas Lebeth (A)
Timo Rantasaari (FIN)
Tomasz Szczesniak (PL)
 
a209_01.jpg

A209
 
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