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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 ; 64= 1951? ; 5= 1951 ; 1= 1952?? ; 52= 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

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

6AB4
 
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