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28GB5

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ID = 5717
       
 
   
Tube type:  Beam Power Tube 
Identical to 28GB5 = PL500

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 28 Volts / If 0.3 Ampere / Indirect
Information source Essential Characteristics, GE 1973   

mn1_g_1.gif 28GB5: RTT Schwandt
Günther Stabe † 19.8.20


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