This is probably the biggest area of confusion when dating Marshall amps.True serial numbers weren't really used by Marshall until July 1969, so specimens made articel on internet dating scams prior to that can only be accurately dated to a fuzzy span of several years.In 1984, the order of the serial number components changed to (a)(c)(b), but the method used to determine the values for (a) and (c) remain the same.This system was used until 1992, when the bar code system was introduced.Guitar Amplifier Values; MARSHALL DATING MARSHALL AMPLIFIERS. This is also the first time speaker cabinets were issued a serial number. Marshall amps had such precedent-setting wattage and tone that their history can hardly be separated from the history of rock itself. This is probably the biggest area of confusion when dating Marshall amps. Celestion speaker codes followed a day-month-year format. Marshall logo: baffle cleat: baffle triangle: rubber: Speaker: Model no. While Fender and Vox amps have their place in moving electrified guitar forward, the creations of Jim Marshall fostered an entirely new sound and allowed guitarists to fill stadiums with it.How to read the bar code Ignore the bar code on the first line. Using the information in this section, you can attempt to dial in the possible dates of manufacture more closely than by sheer estimation alone. Yes (read on) | No (scroll down to the seriel nuber section)Marshall began using a nine-digit bar code label beginning in 1992. Marshall amps began featuring aluminum back panels in 1969.
Our website shows you the different cabinets, their size, power handling and finish so you can see which one will suit your amplifier and style.
We recently wrote an article detailing that rich history (which you can read here), but for those simply looking to figure out how old their Marshall amp is, we offer this shortcut.