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STV75/15Z

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ID = 12237
       
Country:
Germany
Brand: Stabilovolt, Berlin
Tube type:  Voltage Regulator, single 
Identical to STV75/15Z

Base SPECIAL TUBEBASE in general (Codex=sp)
Filament
Description Stabilovolt-Röhren werden ganz unterschiedlich geschrieben: STV, StV, Stv und sogar stv. Wir haben STV gewählt und errichten notfalls Verweisröhren (Code-9) wo besonders oft anders verwendet. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
stv75_15z_1.jpg
STV75/15Z: S.D.
Siegfried Droese

 
stv7515z.png
STV75/15Z: Lorenz Empfänger-Röhren 1961
Anonymous 54 Collector



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