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Aa

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ID = 13718
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Triode, vacuum 
Identical to Aa = 3S26
First Source (s)
1928 : Saga of the Vacuumtube, Tyne p.437

Base EU-Telephone 5-pin (G5K)
Filament Vf 3.8 Volts / If 0.5 Ampere /
Description Weitverkehrsröhre (Poströhre) 
Text in other languages (may differ)
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

 
aa.jpg
Aa: MS
Martin Steyer

 
aa.png
Aa: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

 
aa_techdata1a.png
Aa: RFT Unterlagen
Josef Pilz


Usage in Models 3= 1938?? ; 1= 1938?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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