Dating of fender amplifiers accommodating eric need special student
A little light Googling revealed serial numbers for a few other amps in the range - they seemed all mixed up together.
Then the terrible truth dawned on me: they WERE all mixed up; Fender had decided to change their 35-year-old system of serial numbering so that, starting in 1982, every amp had a unique number.
There are a handful of amp types for which I'm still running the searches because I don't have so much data for those (mainly in the solid-state range).
In addition Greg Gagliano sent me the Rivera-era-relevant numbers from his huge research info, for which, along with his friendly encouragement over several years, I thank him.
Certainly the hundreds of people who have helped me seemed keen to know.
Meanwhile I've offered this info to Fender US, Fender UK, and a US magazine.
According to Tom Wheeler's excellent book about the Stratocaster, it may be that they had no factory after December 1984!
Then comes the March 1985 management buyout, when the new owners were left with some parts but no factory!This means that these 2 amp types can only be treated together for dates or production quantities when, as in this study, the serial number is all we have to go on.(Fender did this chassis-sharing thing in earlier years, with the same implications for guessing quantities, as noted by Greg Gagaliano.) I estimate about 5500 were made in total.However the dates for these batches are certain to be later than the batch shown immediately above, or earlier than the batch shown below.If you've got an amp in this category and can supply any of those codes as well as the serial number, I would Also, things got a little crazy during Fender's last few months in the Fullerton factory, and when the management buyout was complete (March 1985) they had some parts but no factory.
Fender never replied, and the magazine showed polite disinterest.