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ID = 19549
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Universal 
Identical to 239A
Similar Tubes
Normally replaceable-slightly different:
  215A ; 215A_Nissl
First Source (s)
1927 : Saga of the Vacuum Tube, Tyne p.295

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 1.25 Volts / If 0.27 Ampere / Direct / Battery =

For applications where low response to mechanical shock was all-important. Low noise and microphonic 215A, was intended for condenser-mic. preamplifiers.

Information source Tube Lore (I)   

uxsockel_20.png 239A: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad
Usage in Models 3= 1929??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of



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