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CI442

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ID = 30266
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to CI442
First Source (s)
Aug.1928 : -- Original-techn. papers.

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact screw type.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description Siehe die Unterschiede zur E442S (Kolben und elektrische Daten) - und auch die 4-Stift-Ausführung der E442. 
Information source - - -   Bulletin CHCR no.26, April 2000, p.17
Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia
- - -

9_15~~8.png CI442: Fin Stewart
Fin Stewart


Just Qvigstad
 

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