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R22

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ID = 1574
       
Country:
Germany
Brand: Rectron GmbH; Berlin
Developer: Rectron GmbH; Berlin 
Tube type:  Full-Wave Rectifier inert gas filled   Power-supply 
Identical to R22
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1929 : Funk Bastler 1929, Heft 9

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 1.8 Volts / If 2.8 Ampere / Direct
Description Codex falsch erfasst! 
Information source Taschenbuch zum Röhren-Codex 1948/49   

d_rectron_1928_s6.png
R22: Sammlung GJ
Anonymous 544 Collector

rectron_rxx_glr_1.gif R22: Funke, W18 Karte
Wolfgang Eckardt

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Just Qvigstad
daten_r22.png
R22: von Messkarte Funke W19
Robert Weiner

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Usage in Models 1= 1927? ; 5= 1927 ; 2= 1928 ; 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of

 
r22~~1.png

R22
 

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