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Understanding the Korg M1 Serial Number: History, Location, and Dating Your Synth

The 40-year-old keyboards (as of late 2025) often have fragile keys and screens, making unit condition more critical than the serial number itself .

A small silver or white rectangular sticker located near the MIDI ports or the power input.

The Korg M1 is an iconic synthesizer that has been a staple of electronic music production for decades. First released in 1988, it quickly gained popularity among musicians and producers for its versatility, ease of use, and rich sound. With over 200,000 units sold worldwide, the Korg M1 has become a legendary instrument in the music industry. If you're one of the lucky owners of this amazing synthesizer, you might be interested in learning more about its history, and that's where the Korg M1 serial number comes in.

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.

Some very late M1s (mostly the M1EX or M1R rackmount) feature a letter prefix like A or B . Example: A01234 . This appears to indicate: