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A227

Information - Help 
ID = 13693
       
Country:
France
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to A227 = 27

Base UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
 
446_17.png
A227: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1933?

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

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