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ID = 21225
Tube type:  Vacuum Pentode   Power/Output   Controlling (mu) 
Identical to EL8000
First year 1952 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jun.1964 : Funkschau # 12

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.55 Ampere / Indirect / Parallel, (AC/DC)
Description Langlebensdauerröhre 
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
EL8000: Eigenes Bild
Anonymous 971 Collector

EL8000: RTT Schwandt
Günther Stabe

EL8000: Siemens Röhrentaschenbuch 1968/69
Anonymous 15 Collector

Collection of a member from D

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