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E442B

Information - Help 
ID = 46235
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to E442B

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact and top contact.
Filament Vf 4 Volts / Indirect / Parallel, (AC/DC defined voltage)
Information source - - -   
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e442b_150.jpg
E442B: Hilco Schipper
Wolfgang Holtmann

 
e442b_sock.png
E442B: W.H.
Wolfgang Holtmann

 

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