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200A

Information - Help 
ID = 13500
       
Country:
United States of America (USA)
Brand:
Tube type:  Gas Triode   Detector 
Identical to 200A = UX200A = 00A = TC200A = SX200A = D400A = Detector_Knight = PA200A = BD200A = MX200A = PD200A
Similar Tubes
Normally replaceable-slightly different:
  H_CeCo
First Source (s)
Apr.1926 : Saga of the Vacuumtube, Tyne
Predecessor Tubes UX200  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 0.25 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
  valvula200a.png
  200A: Internet
Miguel Angel Trujillo-Rodriguez
 
usa_silvertone_200_a_tube.jpg
200A: own collection
Lindsay Shepherd

 
171_22.png
200A: Telefunken Werkstattbuch
Wolfgang Bauer

 
200a_15_30v_5v_heizung~~7.png
200A: KoBi
Konrad Birkner † 12.08.2014


Usage in Models 1= 1926 ; 1= 1927? ; 2= 1927 ; 1= 1928? ; 3= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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