Korg placed the serial number in two locations on the M1:
Locating and understanding the serial number on a vintage Korg M1 serves several critical purposes for musicians, collectors, and technicians:
The Korg M1 is one of the best-selling synthesizers in history, and because of its long production run (1988–1995) and the lack of a centralized public database, researching a specific serial number can be tricky.
Korg transitioned its numbering system in 1983. For the M1 era (1988–1995), the serial numbers are (usually 6 digits) and do not contain embedded date codes like "YYMM". Instead, dating is determined by comparing your number to known production milestones: Korg M1 Serial Number
The Korg M1 serial number is more than just a unique identifier; it's a window into the instrument's history, production, and maintenance. By understanding and decoding your Korg M1 serial number, you'll gain a deeper appreciation for your synthesizer and its significance in the music world. Whether you're a seasoned musician or a curious collector, knowing your Korg M1 serial number will help you unlock the full potential of your instrument and connect with other enthusiasts who share your passion.
A small white or silver sticker typically located on the back of the unit, often near the MIDI ports or power input.
All original Korg M1 units were manufactured in Japan. If you encounter a serial number sticker claiming manufacturing in another country, it is likely a counterfeit label or a modified chassis. Known Hardware Revisions by Era Korg placed the serial number in two locations
Unlike earlier Korg models that used year-based prefixes, the M1 belongs to the "Just Numbers" era of Korg production (post-1983).
Later serial numbers (210k+) tend to have more reliable power supplies and backlights.
In conclusion, the Korg M1 serial number is more than just a series of numbers and letters. It holds valuable information about the instrument's history, production date, and authenticity. Whether you're a collector, enthusiast, or simply a musician looking to purchase a Korg M1, understanding the serial number can help you make an informed decision. Instead, dating is determined by comparing your number
: The vast majority of M1 units feature a six-digit serial number (e.g., 012345 to 250000+ ).
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