radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

1639

Information - Help 
ID = 25473
       
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-Triode   Audio Frequency 
  Late but very rare. ***
Identical to 1639 = EBC33 = VR55 = CV1055 = 10E/11401 = 850_GB = ZA3497 = CV352
First Source (s)
1941 : Tube Lore (I)
Production stop 1945

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
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 
 
1639_vr55_ebc33_ph1.jpg
1639: Patrice ZEISSLOFF
Patrice Zeissloff

More ...
 
ebc33.png
1639: Manufacturer's Literature
Emilio Ciardiello

 
1639babani19511954doc.png
1639: Babani 1951-1954
Patrice Zeissloff


from Just Qvigstad


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg