Dating marshall amps serial number
Working at FMI – I was able to interview a fellow (who wishes to remain anonymous) who worked at Fender in 1972-73 in the amp department.Although his job was somewhat limited, his recollections provided some really fascinating insights to how the amps were built. Besides, no article in the Dating Fender Amps by Serial Number series would be complete without some interesting information, n’est ce pas? I promise the tables will still be there after you finish reading.
These units look, and apparently sound, just like the Schumacher-made units so it’s easy to overlook that “831” code.Well, this universal “truth” was debunked when we found a bunch of amps with transformers made by the Better Coil and Transformers company.These are marked with EIA code “831” and are most prevalent during the 1966-68 time period.Since A was used in both 19, Marshall decided that 1971 would start with C.To avoid confusion with the numerals 1 and 0, Marshall elected to skip the letters I and O.