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12AX7

Information - Help 
ID = 3730
       
Country:
Worldwide
Brand:
Developer: Common type Worldwide tube/semicond. 
Tube type:  Double Triode   Audio Frequency 
Identical to 12AX7 = ECC83 = 95-127-01 = CV492 = CM1
Similar Tubes
Normally replaceable-slightly different:
  0AX7 ; 12AX7-TII ; 12AX7A ; 12AX7EH ; 7058
Other class quality (otherwise equal):
  12AX7S ; 12AX7WA ; 12AX7WAH ; 12AX7WXT ; 12DF7 ; 7025 ; CV4004
Heater different:
  6AX7
Other base and other heater:
  6EU7
Multiple differences or of other kind:
  12AD7 ; 7729
First Source (s)
25.Sep.1947 : Electron Tube Registration List 606
Predecessor Tubes 6SL7GT   7F7   12SL7GT   6SL7  
Successor Tubes ECC83   5751   CK5751   5751WA   7025A   7025   7247   7729   6057  

Base Noval, B9A (Codex=No 15)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC /
Description

High-mu miniature twin-triode, intended as general purpose high-gain amplifier, it found its elective use in low-level audio preamplifiers.

 
Tube prices 13 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  12ax7.png
  12AX7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
roehre_12ax7_dynacord_2.jpg
12AX7: J.K.
Jürgen Küting

 
no15_8.png
12AX7: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ecc83_1.png
12AX7
Dirk Taekels


Usage in Models 1= 1945?? ; 1= 1947?? ; 1= 1948?? ; 8= 1949? ; 7= 1949 ; 16= 1950?? ; 20= 1950? ; 12= 1950 ; 3= 1951?? ; 11= 1951? ; 9= 1951 ; 2= 1952?? ; 9= 1952? ; 19= 1952 ; 6= 1953?? ; 13= 1953? ; 22= 1953 ; 10= 1954?? ; 46= 1954? ; 114= 1954 ; 61= 1955?? ; 98= 1955? ; 165= 1955 ; 39= 1956?? ; 165= 1956? ; 204= 1956 ; 11= 1957?? ; 78= 1957? ; 70= 1957 ; 23= 1958?? ; 152= 1958? ; 300= 1958 ; 14= 1959?? ; 480= 1959? ; 392= 1959 ; 143= 1960?? ; 102= 1960? ; 140= 1960 ; 16= 1961?? ; 63= 1961? ; 81= 1961 ; 21= 1962?? ; 142= 1962? ; 73= 1962 ; 14= 1963?? ; 80= 1963? ; 59= 1963 ; 14= 1964?? ; 50= 1964? ; 37= 1964 ; 69= 1965?? ; 11= 1965? ; 40= 1965 ; 10= 1966?? ; 9= 1966? ; 23= 1966 ; 5= 1967?? ; 9= 1967? ; 20= 1967 ; 7= 1968?? ; 11= 1968? ; 15= 1968 ; 3= 1969?? ; 1= 1969? ; 12= 1969 ; 10= 1970?? ; 3= 1970? ; 4= 1970 ; 5= 1971? ; 5= 1971 ; 2= 1972?? ; 3= 1972? ; 2= 1972 ; 1= 1973?? ; 2= 1973 ; 3= 1974? ; 3= 1974 ; 3= 1975?? ; 1= 1975? ; 3= 1975 ; 1= 1976 ; 4= 1977? ; 2= 1977 ; 1= 1978 ; 2= 1979? ; 1= 1981 ; 4= 1982 ; 1= 1983 ; 2= 1984 ; 1= 1992?? ; 1= 1992 ; 1= 1993 ; 2= 2000 ; 1= 2002 ; 1= 2004? ; 1= 2005 ; 1= 2006?? ; 1= 2006? ; 1= 2006 ; 2= 2008 ; 1= 2009? ; 1= 9999?? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3948


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