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E442_transistor-sub

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ID = 70814
       
 
   
Tube type:  Solid State Tube Replacement   RF/IF-Stage 
Identical to E442_transistor-sub

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Description

Replacement tube for E442, based on a circuit with transistor BF259.

 


Just Qvigstad
e442_tr_sub_sch01.png
E442_transistor-sub: Radio Historisch Tijdschrift 75, 1995, p. 101
Anonymous 15 Collector

 

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