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8577

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ID = 20464
       
 
   
Tube type:  Double Tetrode 
Identical to 8577
Similar Tubes
Normally replaceable-slightly different:
  YL1220

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 13.5 Volts / If 0.28 Ampere / Indirect / Specified voltage AC/DC
Description Zwei Heizfäden seriell (~ Heizfadenmitte), daher auch Betrieb mit 6,75 V und 0,56 A 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
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no56_g_2.gif 8577: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
8577_spec1a.png
8577: Valvo,Senderöhren, 1983
Anonymous 15 Collector

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