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R205-D

Information - Help 
ID = 37209
       
Country:
Canada
Brand: Northern Electric Co. Ltd.; Canada
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to R205-D = 205 = 205D = CV1749
Similar Tubes
Other shape (e.g. bulb type):
  205F ; 305D
Normally replaceable-slightly different:
  205E ; 405D ; M4205E

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Industrial
Filament Vf 4.5 Volts / If 1.6 Ampere / Direct / Parallel / series AC/DC
Description Base locking pin rotated 45 degrees to prevent damage to other tubes put into the socket. 
Dimensions (WHD)
incl. pins / tip
x x 45 mm / x x 1.77 inch
 
ca_northern_electric_1917_r205d.jpg
R205-D: Eigene Röhre_KN
Klaus Neumann

 
uv_205d~~1.png
R205-D: Fin Stewart
Fin Stewart

 


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