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R22

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ID = 1574
       
Country:
Germany
Brand: Rectron GmbH; Berlin S59
Developer: Rectron GmbH; Berlin S59 
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 (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 1.8 Volts / If 2.8 Ampere / Direct
Description Codex falsch erfasst! 
Literature Taschenbuch zum Röhren-Codex 1948/49   
  d_rectron_1928_s6.png
  R22: Sammlung GJ
Anonymous 544 Collector
 
r22~~1.png
R22: R.O.
Rudolf Osterkamp

 
rectron_rxx_glr_1.gif
R22: Funke, W18 Karte
Wolfgang Eckardt

 
daten_r22.png
R22: von Messkarte Funke W19
Robert Weiner


Usage in Models 1= 1926 ; 1= 1927? ; 2= 1927 ; 2= 1928 ; 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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