Dating fender tube amps by serial number
Specializing in guitar & amplifier repairs and restorations in New Jersey.
Most notably, production dates have been penciled or stamped on the butt end of the heel of the neck of most guitars and basses.
The only way to try to narrow the date range of your specific instrument would be to remove the neck and check the butt end of the heel of the neck for a production date, which may be stamped or written there.
(If you are not comfortable performing this operation, please use an experienced professional guitar tech in your area).
If you have serious interest in learning about the history of Fender instruments, or if you just want to try to establish the year of production of your own axe, we would highly recommend that you pick up one or more of the following books.The letter B was skipped because the letter A was used for 18 months and the letters I, O and Q were also skipped to avoid any confusion being mistaken for numbers.The serial number on a Marshall amp is usually located on the back panel of the chassis but some amplifiers made between 19 had the number on the front panel.From July of 1969 until September of 1992 the date code system included a letter of the alphabet in the serial number.Here are the letters with their corresponding years.