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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 = CV455 = CC81E = B152 = B309 = B739 = ECC81
Similar Tubes
Other shape (e.g. bulb type):
  TS12AT7
Normally replaceable-slightly different:
  12AT7-TII ; 6060 ; 6679
Other class quality (otherwise equal):
  12AT7WA ; 12AT7WB ; 12AT7WC ; 33A/101K ; 6201 ; 7728 ; CV4024 ; M8162 ; QA2406
Heater different:
  12AZ7A
Different connections:
  12DT8
Other base and other heater:
  6DT8
Differences not known by us:
  12AT7EH
First year 20.May.1947 Electron Tube Registration List 583
Predecessor Tubes 6J6   14F8   7F8  
Successor Tubes 1954   ECC85   6AQ8   6DT8  
Base Noval, 9 pin miniature (USA pico-9) B9A (Codex=No 15)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage 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 9 Tube prices (visible for members only)
Information source 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 †     More ...
no15_4.png 12AT7: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
Just Qvigstad 		12at7_techdat01.png
12AT7: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 1= 1947? ; 7= 1947 ; 5= 1948?? ; 33= 1948? ; 86= 1948 ; 4= 1949?? ; 63= 1949? ; 134= 1949 ; 44= 1950?? ; 73= 1950? ; 162= 1950 ; 11= 1951?? ; 55= 1951? ; 141= 1951 ; 29= 1952?? ; 50= 1952? ; 88= 1952 ; 11= 1953?? ; 49= 1953? ; 135= 1953 ; 16= 1954?? ; 41= 1954? ; 177= 1954 ; 38= 1955?? ; 127= 1955? ; 72= 1955 ; 26= 1956?? ; 73= 1956? ; 71= 1956 ; 11= 1957?? ; 90= 1957? ; 28= 1957 ; 12= 1958?? ; 90= 1958? ; 102= 1958 ; 14= 1959?? ; 206= 1959? ; 151= 1959 ; 58= 1960?? ; 37= 1960? ; 30= 1960 ; 8= 1961?? ; 38= 1961? ; 22= 1961 ; 13= 1962?? ; 34= 1962? ; 32= 1962 ; 9= 1963?? ; 30= 1963? ; 50= 1963 ; 4= 1964?? ; 14= 1964? ; 28= 1964 ; 38= 1965?? ; 13= 1965? ; 23= 1965 ; 7= 1966?? ; 8= 1966? ; 11= 1966 ; 6= 1967?? ; 8= 1967? ; 8= 1967 ; 5= 1968?? ; 10= 1968? ; 9= 1968 ; 4= 1969?? ; 3= 1969? ; 9= 1969 ; 14= 1970?? ; 5= 1970 ; 2= 1971?? ; 4= 1971? ; 1= 1971 ; 1= 1972?? ; 4= 1972? ; 3= 1973?? ; 1= 1973? ; 1= 1974? ; 1= 1974 ; 1= 1975?? ; 1= 1975? ; 1= 1976 ; 1= 1977? ; 1= 1977 ; 2= 1980 ; 1= 1981 ; 4= 1982 ; 1= 1983 ; 2= 1984 ; 1= 1986 ; 1= 1992 ; 1= 1998? ; 1= 2000?? ; 1= 2001?? ; 1= 2002 ; 1= 2006?? ; 1= 2006 ; 1= 2007? ; 1= 2013 ; 5= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3162

Collection of

Jozef Brughmans † (B)
Kyle Werner (USA)
Rudolf Osterkamp (D)
Emilio Focosi (I)
Stig Comstedt (S)
Michael Gnaedig-Fischer (MEX)
Christian Schaufelberger (CH)
Miguel Lopez (C)
Karlheinz Fischer (D)
Hermann Fleischanderl (A)
Bekir Yurdakul (F)
Peter Pfeiffer (D)
Keith Staines (GB)
Collection of a member from FIN
Georges Werts (B)
Ottmar Rollmann (D)
George Papaiz (CDN)
Walter Nigg (FL)
Antonio Bordini (I)
David Erali (USA)
Collection of a member from D
Wolfgang Bauer (A)
Patrice Zeissloff (F)
Tomasz Szczesniak (PL)
Collection of a member from D
Peter Roggenhofer † 25.4.18 (A)
Jürgen Küting (D)
Aldo Patriarca (CH)
Giuseppe Palumbo (I)
Robert Gillespie (USA)
Trev Levick (D)
Karl - Heinz Bossan (D)
Danko Tkalec (HR)
Collection of a member from D
 
12at7_nec.jpg

12AT7
 
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