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UX201A_arcotube

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ID = 71811
       
Country:
United States of America (USA)
Brand: Arco Tube Company; Newark (NJ)
Tube type:  Triode, vacuum   Audio Frequency 
Identical to UX201A_arcotube
First Source (s)
Jul.1930 : Radio Craft

Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description

This tube is a specially designed type of 201A tube with a full bakelite shield over the glass bulb. According to the Arco tube advertisements, "this does away with microphonic noises"

 

uxsockel_11~~61.png UX201A_arcotube: Fin Stewart
Fin Stewart

 
arco_shielded_201a.jpg

 

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