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8438A

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ID = 21398
       
 
   
Tube type:  Screen-grid Tetrode 
Identical to 8438A = YL1461

Base SPECIAL TUBEBASE in general Top contact with a cap.
Filament Vf 5 Volts / If 14.1 Ampere / Direct
Information source - - -   Valvo, Senderöhren, 1983
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8438a_sock.png 8438A: Valvo,Senderöhren, 1983
Anonymous 15 Collector

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8438_spec_1_1.png
8438A: Valvo,Senderöhren, 1983
Anonymous 15 Collector

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