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6AB4

Information - Help 
ID = 3814
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   VHF 
Identical to 6AB4 = EC92
Similar Tubes
Normally replaceable-slightly different:
  6664
Heater different:
  UC92
First Source (s)
25.Apr.1949 : Electron Tube Registration List 751

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 0.15 Volts / If 6.3 Ampere / Indirect /
Description = 1 unit of ECC81 = 12AT7 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   

  6ab4.png
  6AB4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6ab4_ge.jpg
6AB4: Private collection
Emilio Ciardiello

 
6ab4_so.png
6AB4: RCA Reference Book 1968
Michael Schlör

 
6ab4_techdat01.png
6AB4: RCA Tube Manual
Peter Hoddow


Usage in Models 2= 1949? ; 16= 1949 ; 1= 1950?? ; 20= 1950? ; 27= 1950 ; 2= 1951? ; 9= 1951 ; 1= 1952?? ; 2= 1952? ; 3= 1952 ; 1= 1953?? ; 4= 1953? ; 1= 1953 ; 2= 1954?? ; 1= 1954? ; 3= 1955?? ; 8= 1955? ; 4= 1955 ; 2= 1956?? ; 2= 1956? ; 6= 1956 ; 4= 1957? ; 3= 1957 ; 1= 1958?? ; 13= 1958? ; 48= 1958 ; 75= 1959? ; 39= 1959 ; 9= 1960?? ; 3= 1960? ; 6= 1960 ; 4= 1961? ; 2= 1962? ; 2= 1962 ; 2= 1963?? ; 4= 1963? ; 3= 1963 ; 2= 1964? ; 1= 1964 ; 2= 1965?? ; 1= 1966? ; 2= 1967?? ; 2= 1967 ; 1= 1971?

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):346


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