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201

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ID = 13501
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to 201 = 201A = CX301A = 01A = UX201A
Similar Tubes
Heater different:
  01 ; UV201
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 0.25 Ampere / Direct
Literature Babani, International Radio Tube Encyclopaedia   
 
201_alltron.jpg
201: F.M.
Fabio Masetti

 
201_sock.png
201: Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector

 
201_spec.png
201: Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector


Usage in Models 1= 1930? ; 1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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