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1638

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ID = 25472
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Double Diode   Detector 
  Late but very rare. ***
Identical to 1638 = ARDD5 = VT202_GPO = EB34 = VR54 = CV1054 = 10E/11400
Similar Tubes
Other base:
  MEB4
First Source (s)
1941 : Tube Lore (I)
Production stop 1945

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description RCA production of British types, furnished to British government via U.S. Signal Corps (by L. Sibley) 

eb34_6.png 1638: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
book2_supplement_1951_1954_p011_952f_a_uaa91~~9.png
1638: Babani 1951-1954
Patrice Zeissloff

Collection of

 
1638_1.jpg

1638
 

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