Dating fender guitar amps


21-Jan-2020 21:02

The next one or two numbers are the month where January is 1 and December is 12. Example: AB763 = second revision, July, 1963 AA1070 = First revision, October, 1970 Misc Dating Info: Silver face amps with the aluminum trimmed grilles are from 67 or 69.The fist Master volume controls were first installed in 72.The code follows the format: XXXYY ZZ where: XXX = a two or three (possibly four on newer amps) digit number indicating the manufacturer.(see chart below) YY = is a one or two digit code indicating the year.

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ZZ = a number from 1 – 52 indicating the week of the year.Fender often used the same circuit for many years so this is not a very accurate method for amp dating.The code is simple, the first two letters are the revision, where AA is the first revision, AB is the second, etc.If possible, open up the chassis and check a few of the pots’ and capacitors’ manufacturer codes.

Remember, many components could have been changed over the years, speakers blow, caps dry out, transformers melt down, and pots wear out.

The raised “Fender” grille logo lost its tail around 76.