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6AB4

Information - Help 
ID = 3814
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   VHF 
Identical to 6AB4 = EC92
Similar Tubes
Other class quality (otherwise equal):
  6664
Heater different:
  UC92
First Source (s)
25.Apr.1949 : Electron Tube Registration List 751
Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description

= 1 unit of ECC81 = 12AT7

 
Text in other languages (may differ)
Tube prices 6 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  6ab4.png
  6AB4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6ab4_hytron.jpg
6AB4: My own collection
Hannu Alho
 
6ab4_so.png
6AB4: RCA Reference Book 1968
Michael Schlör
 
6ab4_techdat01.png
6AB4: RCA Tube Manual
Peter Hoddow

from Just Qvigstad
Usage in Models 2= 1949? ; 19= 1949 ; 1= 1950?? ; 16= 1950? ; 27= 1950 ; 2= 1951? ; 10= 1951 ; 1= 1952?? ; 2= 1952? ; 3= 1952 ; 2= 1953?? ; 5= 1953? ; 3= 1953 ; 2= 1954?? ; 1= 1954? ; 2= 1955?? ; 8= 1955? ; 4= 1955 ; 6= 1956?? ; 17= 1956? ; 8= 1956 ; 20= 1957? ; 4= 1957 ; 2= 1958?? ; 19= 1958? ; 47= 1958 ; 77= 1959? ; 38= 1959 ; 10= 1960?? ; 4= 1960? ; 7= 1960 ; 1= 1961?? ; 5= 1961? ; 1= 1961 ; 1= 1962?? ; 5= 1962? ; 2= 1962 ; 1= 1963?? ; 7= 1963? ; 3= 1963 ; 3= 1964? ; 1= 1964 ; 1= 1966?? ; 1= 1966? ; 1= 1967?? ; 2= 1967 ; 1= 1968? ; 1= 1969?? ; 1= 1971?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):407
Collection of Christian Schaufelberger (CH)
Collection of Wolfgang Bauer (A)
Collection of Karl - Heinz Bossan (D)
Collection of Ulrich Fieseler (D)
Collection of Ottmar Rollmann (D)
Collection of Emilio Ciardiello (I)
Collection of Heinz Höger (D)
Collection of a member from FIN
Collection of a member from FIN
Collection of Hermann Fleischanderl (A)
Collection of Lothar Schäfer (D)
Collection of Hannu Alho (FIN)
Collection of George Papaiz (CDN)
Collection of Walter Nigg (FL)
Collection of Michael Gnaedig-Fischer (MEX)
Collection of Marcello Astolfi (I)
Collection of David Erali (USA)
Collection of Miguel Angel Irissarry Garcia (E)
Collection of Robert Gillespie (USA)
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