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R500

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ID = 7116
       
Country:
Germany
Brand: Rectron GmbH; Berlin S59
Tube type:  Full-Wave Rectifier gas filled 
Identical to R500
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1930 : Funk Bastler 1930, Heft 12

Filament Vf 2.1 Volts / If 4.5 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
r500_so.png
R500: rtt
Michael Schlör

 
spezialtypendatasmall_7.png
R500: own collection
Peter den Boer


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