Korg — M1 Serial Number

The first step in understanding the M1’s lineage is understanding the format of its serial number. Unlike the purely numeric sequences found on many competitors’ gear (like the Roland D-50), Korg employed an alphanumeric system for the M1. A typical serial number will look something like this: (an early Japanese unit) or 001650 (a very early production model).

Locating the serial number on an original hardware unit is straightforward, though it can sometimes be obscured by decades of use: Korg M1 Serial Number