radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.
Information - Help 

12AT7

Country:  United States of America (USA)      Brand:  Common type USA tube 
  Developer:  General Electric Co. (GE); Bridgeport (CT) 
  Tube type:  Double Triode   VHF 
Tube ID = 3539
  previous  |  next
Identical to 12AT7 = ECC81 = CV455 = CC81E = B152 = B309
Similar Tubes Other shape (e.g. bulb type):
 TS12AT7
Normally replaceable-slightly different:
 6679
Other class quality (otherwise equal):
 12AT7WA; 12AT7WB; 12AT7WC; 33A/101K; 6060; 6201; 7728; CV4024; M8162
Heater different:
 12AZ7A
Different connections:
 12DT8
First Source (s) 20.May.1947 : Electron Tube Registration List 583
Predecessor Tubes 6J6   14F8  
Successor Tubes 1954 ECC85   6AQ8  

Base Noval, B9A (Codex=No 15)
Filament Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description Dual-triode intended for HF/VHF applications.
Centre-Tapped heater can operate at 6.3V 0.3A. 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  12at7.gif
  12AT7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
gb_mullard_12at7_cv455.jpg
12AT7: TreLe
Trev Levick

 
no15_4.png
12AT7: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
12at7_techdat01.png
12AT7: RCA Tube Manual
Peter Hoddow

Usage in Models   1= 1946?? ; 2= 1947 ; 1= 1948?? ; 2= 1948? ; 75= 1948 ; 5= 1949?? ; 15= 1949? ; 125= 1949 ; 39= 1950?? ; 16= 1950? ; 91= 1950 ; 15= 1951?? ; 51= 1951? ; 122= 1951 ; 33= 1952?? ; 23= 1952? ; 112= 1952 ; 9= 1953?? ; 14= 1953? ; 133= 1953 ; 12= 1954?? ; 28= 1954? ; 69= 1954 ; 27= 1955?? ; 36= 1955? ; 56= 1955 ; 14= 1956?? ; 10= 1956? ; 56= 1956 ; 7= 1957?? ; 6= 1957? ; 20= 1957 ; 4= 1958?? ; 42= 1958? ; 87= 1958 ; 7= 1959?? ; 194= 1959? ; 148= 1959 ; 30= 1960?? ; 20= 1960? ; 22= 1960 ; 3= 1961?? ; 25= 1961? ; 14= 1961 ; 6= 1962?? ; 24= 1962? ; 18= 1962 ; 8= 1963?? ; 19= 1963? ; 25= 1963 ; 3= 1964?? ; 6= 1964? ; 24= 1964 ; 27= 1965?? ; 6= 1965? ; 14= 1965 ; 5= 1966?? ; 7= 1966? ; 10= 1966 ; 5= 1967?? ; 5= 1967? ; 5= 1967 ; 5= 1968?? ; 5= 1968? ; 7= 1968 ; 6= 1969 ; 9= 1970?? ; 1= 1970? ; 3= 1970 ; 1= 1971?? ; 1= 1971? ; 2= 1971 ; 1= 1972?? ; 1= 1972? ; 1= 1973?? ; 2= 1973? ; 1= 1974?? ; 1= 1974 ; 2= 1975?? ; 1= 1977? ; 1= 1977 ; 1= 1980? ; 1= 1980 ; 4= 1982 ; 1= 1983 ; 1= 1984 ; 1= 1992 ; 1= 2006 ; 1= 2007? ; 1= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   2101

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg