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12AX7A

Information - Help 
ID = 4062
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Audio Frequency 
Identical to 12AX7A
Similar Tubes
Normally replaceable-slightly different:
  12AX7 ; 6681 ; 7025A ; ECC83
Differences not known by us:
  12AX7B
First Source (s)
13.Jun.1960 : Electron Tube Registration List 2078ed
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description Low-microphonic version of 12AX7.
Early registration in January 6, 1958 to Radio Valve Co. Ltd., Canada, but with carachteristics quite similar to those of 7025. Re-registered in 1960 to RCA. 
Text in other languages (may differ)
Tube prices 10 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
12ax7a.png
12AX7A: RCA Receiving Tube Manual
Heinz Höger
no15_9.png 12AX7A: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
Just Qvigstad 		12ax7a_techdat01.png
12AX7A: RCA Tube Manual
Peter Hoddow
Usage in Models 1= 1950?? ; 1= 1952?? ; 1= 1953?? ; 1= 1958?? ; 1= 1958? ; 14= 1959? ; 9= 1959 ; 11= 1960?? ; 17= 1960? ; 16= 1960 ; 2= 1961?? ; 13= 1961? ; 14= 1961 ; 1= 1962?? ; 38= 1962? ; 6= 1962 ; 2= 1963?? ; 78= 1963? ; 20= 1963 ; 1= 1964?? ; 83= 1964? ; 3= 1964 ; 5= 1965?? ; 8= 1965? ; 6= 1965 ; 1= 1966?? ; 1= 1966? ; 1= 1966 ; 1= 1967?? ; 1= 1967? ; 1= 1967 ; 1= 1968? ; 2= 1968 ; 2= 1970?? ; 3= 1970? ; 1= 1970 ; 1= 1971? ; 1= 1971 ; 1= 1972? ; 1= 1972 ; 1= 1973? ; 2= 1975?? ; 1= 1993 ; 1= 2007?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):376

Collection of

Giorgio Busletta (I)
Karl - Heinz Bossan (D)
Bekir Yurdakul (F)
Christian Schaufelberger (CH)
Collection of a member from D
Stefan Müller (D)
Egon Penker (A)
George Papaiz (CDN)
Nikolaus Löwe (D)
Jozef Brughmans † (B)
Collection of a member from FIN
Bartosz Szwed (GB)
Michael Gnaedig-Fischer (MEX)
Georges Werts (B)
Karlheinz Fischer (D)
Danko Tkalec (HR)
Bruno Candreia (CH)
 
12ax7a~~1.jpg

12AX7A
 
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