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12AT7

Information - Help 
ID = 3539
       
Country:
Worldwide
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Double Triode   VHF 
Identical to 12AT7 = ECC81 = CV455 = CC81E = B152 = B309
Similar Tubes
Other shape (e.g. bulb type):
  TS12AT7
Normally replaceable-slightly different:
  6060 ; 6679
Other class quality (otherwise equal):
  12AT7WA ; 12AT7WB ; 12AT7WC ; 33A/101K ; 6201 ; 7728 ; CV4024 ; M8162
Heater different:
  12AZ7A
Different connections:
  12DT8
Other base and other heater:
  6DT8
First Source (s)
20.May.1947 : Electron Tube Registration List 583
Predecessor Tubes 6J6   14F8   7F8  
Successor Tubes 1954   ECC85   6AQ8   6DT8  

Base Noval, B9A (Codex=No 15)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC /
Description

Dual-triode intended for HF/VHF applications. G-G amplifier or frequency converter at frequencies up to obout 300MHz.
Center tapped heater allows operation from either 6.3 V or 12.6 V heater supply.

 
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   
- - Manufacturers Literature

  12at7.png
  12AT7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
12at7_ecc81_sylvania.jpg
12AT7
Anonymous 413 Collector

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

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


Usage in Models 2= 1947?? ; 5= 1947 ; 2= 1948?? ; 13= 1948? ; 85= 1948 ; 5= 1949?? ; 43= 1949? ; 145= 1949 ; 45= 1950?? ; 56= 1950? ; 160= 1950 ; 16= 1951?? ; 50= 1951? ; 128= 1951 ; 33= 1952?? ; 22= 1952? ; 113= 1952 ; 9= 1953?? ; 13= 1953? ; 154= 1953 ; 14= 1954?? ; 25= 1954? ; 166= 1954 ; 29= 1955?? ; 40= 1955? ; 61= 1955 ; 18= 1956?? ; 15= 1956? ; 61= 1956 ; 8= 1957?? ; 9= 1957? ; 23= 1957 ; 9= 1958?? ; 44= 1958? ; 94= 1958 ; 9= 1959?? ; 197= 1959? ; 148= 1959 ; 41= 1960?? ; 25= 1960? ; 23= 1960 ; 5= 1961?? ; 30= 1961? ; 17= 1961 ; 7= 1962?? ; 27= 1962? ; 22= 1962 ; 9= 1963?? ; 20= 1963? ; 31= 1963 ; 4= 1964?? ; 7= 1964? ; 24= 1964 ; 34= 1965?? ; 7= 1965? ; 15= 1965 ; 5= 1966?? ; 7= 1966? ; 10= 1966 ; 5= 1967?? ; 5= 1967? ; 6= 1967 ; 5= 1968?? ; 7= 1968? ; 8= 1968 ; 1= 1969? ; 6= 1969 ; 11= 1970?? ; 1= 1970? ; 4= 1970 ; 1= 1971?? ; 2= 1971? ; 1= 1971 ; 1= 1972?? ; 2= 1972? ; 2= 1973?? ; 1= 1973? ; 1= 1974?? ; 1= 1974 ; 2= 1975?? ; 1= 1977? ; 1= 1977 ; 1= 1980 ; 1= 1981 ; 4= 1982 ; 1= 1983 ; 2= 1984 ; 1= 1992 ; 1= 1998? ; 1= 2006?? ; 1= 2006 ; 1= 2007? ; 2= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2530

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