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Mikro

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ID = 14517
       
Country:
Germany
Brand: Hova-Röhren GmbH; Deutschland
Tube type:  TRIODE (Detail uncertain) 
Identical to Mikro
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jun.1926 : Der Radio-Amateur; Nesper (62) 1926 Heft 25

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 3.8 Volts / If 0.06 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   


Just Qvigstad
Usage in Models 1= 1927

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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