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ID = 22771
Brand: Tungsram; Budapest (see also British T.)
Tube type:  HEXODE   Universal   Controlling (mu) 
Identical to TCH1_Tungsram = CH1
First year Mar.1935 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe side contact P8A (Au P, 8SC) Top contact with a cap
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description Wir verwenden bei Modellen nur die Grundröhre CH1, denn es ist willkürlich, ob ein Apparat mit CH1 oder der Tungsram TCH1 ausgerüstet ist. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
TCH1_Tungsram: Telefunken Werkstattbuch
Wolfgang Bauer

TCH1_Tungsram: Tungsram Radio
Anonymous 1038 Collector

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