![]() The last two digits refer to the week of the year (i.e., a 26 would mean the 26th week or, roughly, June).įor example, EIA 606-4-21 would denote the 21st week of 1964. If four digits are present, the first two digits refer to the year (i.e., a 66 would mean 1966). If three digits are present, the first digit refers to the year (i.e., a 7 would mean 1967). These numbers always begin with EIA 606, and are followed by three or four digits in various combinations. YEAR MONTH 1951 A January A 1952 B February B 1953 C March C 1954 D April D 1955 E May E 1956 F June F 1957 G July G 1958 H August H 1959 I September I 1960 J October J 1961 K November K 1962 L December L 1963 M 1964 N 1965 O 1966 P 1967 Q 1968 R 1969 S DATING FENDER AMPLIFIERS ( INCLUDING SILVERFACE AND BLACKFACE AMPS) USING TRANSFORMER CODES In general, Fender amps that dont have rubber-stamped tube sticker date codes have EIA numbers on their transformers that might enable determination of the production date. These stamped letters may appear in various positions on the chart. This sticker is a chart that shows the types of tube types used and the order of their physical location in the amplifier, and may be rubber-stamped with two-letter date codes that denote the year (first letter) and month (second letter) of production. YEAR MONTH 1990 A January A 1991 B February B 1992 C March C 1993 D April D 1994 E May E 1995 F June F 1996 G July G 1997 H August H 1998 I September I 1999 J October J 2000 K November K December L DATING 1951-1969 BLACKFACE, BROWNFACE, BROWN TOLEX, WHITE TOLEX OR TWEED AMPLIFIERS USING THE TUBE STICKER On the inside of the cabinets of most Fender amps made after 1950 and before 1970, there might be a tube location sticker. In the table below, for example, a CE date code indicates a production date of May 1992. The final line contains a date code of two printed or handwritten letters denoting the amplifiers production date by year (the first letter) and month (the second letter). This black-and-silver sticker contains several lines for sign-offs on completion of sound and electrical testing. Please note that its quite difficult to precisely determine the production date of early Fender amps.Īlthough the dates derived using the charts below will likely be a good approximation, they should not be considered exact.ĭATING CONTEMPORARY FENDER AMPLIFIERS All Fender amplifiers manufactured from 1990 to the present include a date code, printed on the quality assurance (QA) sticker on the back of the amp chassis. ![]() ![]() Several different types, in vertical and diagonal weaves, were used. On early amps, this material was varnished to make it a more durable covering. Tweed refers to the two-tone woven fabric that covered many early amplifiers. ![]()
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