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Micro-Alternatif

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ID = 49113
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Developer: Cyrnos (brand) - see also MCB 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to Micro-Alternatif
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 1.8 Volts / If 0.5 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
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Just Qvigstad 		cyrnosdatabladsmall.png
Micro-Alternatif: own collection
Peter den Boer
Usage in Models 1= 1926?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 
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