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VIRAC

Information - Help 
ID = 28892
       
Country:
Netherlands
Brand: Vereenigde Industrieen (N.V.V.I.); Rotterdam
Developer: Vereenigde Industrieen (N.V.V.I.); Rotterdam 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to VIRAC
First year 1926 Saga of the Vacuumtube, Tyne page 427

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 4 Volts / If 0.13 Ampere / Direct / Battery =
Description On the label on the tube base is printed: filament voltage 3.6-4 Volt, filament current 0.13 Amp., anode tension 60-120 Volt. 
Dimensions (WHD)
incl. pins / tip
33 x 90 x 32 mm / 1.30 x 3.54 x 1.26 inch
Weight 36 g / 1.27 oz
 
viracsmall.jpg
VIRAC: own collection
Peter den Boer

 
3_b4~~6.png
VIRAC: own collection
Peter den Boer

 


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