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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):
  542-A ; 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 / Specified voltage AND current 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   
Tube Lore (II)   p. 47 & 151
6ab4.png
6AB4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
6ab4_so.png 6AB4: RCA Reference Book 1968
Anonymous 10 Collector

Just Qvigstad 		6ab4_techdat01.png
6AB4: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 13= 1949? ; 12= 1949 ; 1= 1950?? ; 31= 1950? ; 33= 1950 ; 62= 1951? ; 5= 1951 ; 1= 1952?? ; 54= 1952? ; 1= 1952 ; 2= 1953?? ; 6= 1953? ; 4= 1953 ; 1= 1954?? ; 2= 1954? ; 5= 1955?? ; 9= 1955? ; 3= 1955 ; 6= 1956?? ; 19= 1956? ; 7= 1956 ; 20= 1957? ; 4= 1957 ; 2= 1958?? ; 21= 1958? ; 47= 1958 ; 76= 1959? ; 38= 1959 ; 11= 1960?? ; 7= 1960? ; 9= 1960 ; 1= 1961?? ; 7= 1961? ; 1= 1961 ; 1= 1962?? ; 5= 1962? ; 1= 1962 ; 1= 1963?? ; 8= 1963? ; 3= 1963 ; 3= 1964? ; 1= 1964 ; 1= 1966?? ; 1= 1966? ; 1= 1967?? ; 2= 1967 ; 1= 1968?? ; 1= 1968? ; 1= 1969?? ; 1= 1971? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):555

Collection of

Wolfgang Bauer (A)
Hermann Fleischanderl (A)
David Erali (USA)
Robert Gillespie (USA)
George Papaiz (CDN)
Michael Gnaedig-Fischer (MEX)
Christian Schaufelberger (CH)
Miguel Angel Irissarry Garcia (E)
Emilio Ciardiello (I)
Marcello Astolfi (I)
Collection of a member from FIN
Hannu Alho (FIN)
Collection of a member from FIN
Walter Nigg (FL)
Ottmar Rollmann (D)
Ulrich Fieseler (D)
Peter Pfeiffer (D)
Lothar Schäfer (D)
Heinz Höger (D)
Karl - Heinz Bossan (D)
 
6ab4_pic.jpg

6AB4
 
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