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2-406

Information - Help 
ID = 15144
       
Country:
Netherlands
Brand: Thermion; Netherlands
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 2-406 = B406
Production stop Feb.1938

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Description Source of data: the magazine Thermion Nieuws April 1034. The tube in the picture is a Ultima 1936. 
Dimensions (WHD)
incl. pins / tip
44 x 117 x 36 mm / 1.73 x 4.61 x 1.42 inch
Weight 48 g / 1.69 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1934
 
2406ultima1936.jpg
2-406
Peter den Boer

 
2438etcbase_4.png
2-406
Peter den Boer

 
1409enzdata_2.png
2-406: own collection
Peter den Boer



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