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MU-X20

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ID = 67143
       
Country:
United States of America (USA)
Brand: Sonatron Tube Company; Chicago and New York
Developer: Sonatron Tube Company; Chicago and New York 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to MU-X20
Similar Tubes
Different maximum ratings:
  MU-X30 ; MU-X6 ; SP60

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description

Tube specially designed for use in the Sonatron modular three tube resistance coupled amplifier. The tube has an amplifying factor of 20. The tube has a clear glass bulb. The tube will give satisfactory amplification when used in combination with other tubes in the series.

 
Information source - - Manufacturers Literature   

uxsockel_11~~4.png MU-X20: Fin Stewart
Fin Stewart


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