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3A5

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ID = 4281
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Triode   Power/Output 
Identical to 3A5 = DCC90 = CV808
Similar Tubes
Other class quality (otherwise equal):
  CVX808
Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zx)
Filament Vf 2.8 Volts / If 0.11 Ampere / Direct / Specified current DC = (Series working)
Description Heizfaden-Mittenanschluss, daher auch Uf=1,4V und If=0,22A möglich. 
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
3a5.png
3A5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
502.png 3A5: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		3a5_techdat01.png
3A5: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 1= 1944 ; 1= 1948?? ; 1= 1949?? ; 2= 1949 ; 1= 1951? ; 1= 1951 ; 2= 1953? ; 1= 1953 ; 3= 1954?? ; 1= 1954? ; 1= 1955? ; 2= 1956? ; 1= 1957 ; 3= 1958? ; 1= 1958 ; 1= 1966
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of

Hermann Fleischanderl (A)
Christian Schaufelberger (CH)
Patrice Follet (F)
Emilio Ciardiello (I)
Georges Werts (B)
Jozef Brughmans † (B)
Collection of a member from FIN
Danko Tkalec (HR)
Frank Cuffe (IRL)
Stig Comstedt (S)
Heinz Schmidt (D)
Andreas Schulz (D)
Ulrich Fieseler (D)
Siegfried Droese (D)
Martin Steyer (D)
Knut Rothstein (D)
Jürgen Tiedmann (D)
Karl - Heinz Bossan (D)
Oskar Elm (D)
Peter Pfeiffer (D)
 
3a5_usa.jpg

3A5
 
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