Korg M1 Serial Number Jun 2026
The Korg M1, released in 1988, stands as the best-selling digital synthesizer in music history. For collectors, buyers, and restorers, the serial number is a critical piece of data. It reveals production timing, hardware revisions, and market authenticity.
The display screen will briefly flash the internal operating system version (e.g., M1 System Version 28 ).
The Korg M1 serial number is essential for several reasons: Korg M1 Serial Number
For more specific info on Korg repair, check out this guide to replacing switches. To see an overview of the M1's features, view this tutorial video . If you'd like, let me know: The of your serial number If it has an "M1" or "M1R" logo The Korg M1 Plugin Tutorial: An Overview of the M1
Korg did not stamp production dates directly onto the chassis. The serial number helps narrow down the manufacturing year (1988–1995). The Korg M1, released in 1988, stands as
Unlike some modern manufacturers, Korg's 1980s serial numbering system for the M1 was relatively simple. Most M1 units feature a .
The Korg M1 uses a CR2032 lithium battery to hold user presets. If your serial number indicates a unit from the late 80s and it hasn't been serviced, the battery is likely dead or leaking. Replacing it requires soldering, so knowing the age helps you prep for repairs. The display screen will briefly flash the internal
Collectors often pay premiums for early production models (e.g., low-digit serial numbers), as these are perceived to have higher build quality or historical significance.
Serial numbers also help distinguish between the standard M1 and the "EX" (Expanded) version. Many users later upgraded their standard M1s with the EX memory kit, which doubled the internal PCM waveform data. A serial number check against Korg’s manufacturing logs can confirm whether a unit was born as an EX or upgraded later. The Collector’s Value
Early production units of the Korg M1 differed slightly under the hood compared to late-model versions. Technicians use the serial number to identify:
