Dating contemporary fender amplifiers
A 1957 tweed Vibrolux was reported with a tube chart printed with circuit “5E3” (tweed Deluxe) instead of the correct 5F11 (see photo).
Clearly Fender wasn’t afraid to use incorrect parts when they were in a bind. The 5G12 Concert is the earliest version from very late 1959 and early 1960 so the existence of a tweed example, while extremely rare, is certainly plausible since Fender was making lots of tweed amps during the same time period.
These are marked with EIA code “606” which is the company number for Schumacher.
Well, this universal “truth” was debunked when we found a bunch of amps with transformers made by the Better Coil and Transformers company.
465 designating the Oxford EIA code, 2 designating the year 1962, and 17 designating the 17th week of ’62.Dating Fender Amps 1951-1967 – Tube chart on the inside of the amp is stamped with two letters (A – Q): The first letter designates the year and the second letter designates the month.A 1951 JAN B 1952 FEB C 1953 MAR D 1954 APR E 1955 MAY F 1956 JUN G 1957 JUL H 1958 AUG I 1959 SEP J 1960 OCT K 1961 NOV L 1962 DEC M 1963 N 1964 O 1965 P 1966 Q 1967 Mid ’70s – early ’80s – Amplifiers are dated much the same way as Fender guitars from the same era: B 5 digits 1975 – 1976 A6 5 digits 1976 A7 5 digits 1977 A8 5 digits 1978 A9 5 digits 1979 F0 5 digits 1980 F1 5 digits 1981 F2 5 digits 1982 – 1983 F3 5 digits 1983 – 1984 F4 5 digits 1984 – 1985 F9 5 digits 1979 – 1980 Dating Contemporary Fender Amplifiers All Fender amplifiers manufactured from 1990 – present include a date code printed on the quality assurance (QA) sticker on the back of the amp chassis, and are dated the by the first letter as the year and the second letter as the month.I buy a lot of used Fender equipment and they have only had difficulty on a Blues De Ville made in 1995, I had to look at the pc board on that one. anyway, amp is def made in USAquality inspection sticker says FHwhich seems to imply august 1995 or so i'm lead to beleive at this point circuit board says copyright 1993 fender musical instrbut not hand writteni'll have to take another look see The link to Fender for dating your amp, that I posted before was working, now it doesn't (forum makeover caused broken link). The 1993 printing on the circuit board is just when that particular board was designed, or revised, and only indicates that your amp was made on or after that date.The inspection tag date code is good enough, your amp was made in 1995, August. BTW, the email address "[email protected]" does work, just copy the address and paste into your email program.