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X77 Info
           
  Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new)   Controlling (mu) 
Tube ID = 21526
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Identical to X77 = 6BE6 = 6a2p = EK90 = CV453
Similar Tubes 5750 (other class quality (otherw. equal))   5760 (can normally be replaced - small diff'ce)  
First Series   1950 Tube leaflet collection E.Erb Analysis by original leaflets

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.3 Ampere / Vf 6.3 Volts /
Literature Röhren-Taschen-Tabelle 14.A, (Franzis RTT)   
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mi31_g_6.gif
RTT Schwandt
Günther Stabe

 
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X77    

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21AugX