The Korg M1 was manufactured roughly between 1988 and 1994. The sequence generally started at 000100 or 001000 and climbed continuously.
Look at the of the synthesizer. The serial number is printed on a rectangular silver or white sticker located near the power inlet, MIDI ports, or the main audio outputs. It typically sits next to the factory text indicating the model name ("MUSIC WORKSTATION M1") and manufacturing origin ("MADE IN JAPAN"). Internal PCB Markings Korg M1 Serial Number
Feature heavily shielded, heavy transformers tuned strictly to regional voltages (100V, 120V, or 220V). The Korg M1 was manufactured roughly between 1988 and 1994
If your serial sticker is gone, try these methods: The serial number is printed on a rectangular
The M1 is so iconic that counterfeit units are rare, but non-working parts units sometimes get reshelled. A missing or oddly formatted serial sticker can indicate a repair or frankenstein build.
This guide provides a definitive breakdown of the Korg M1 serial number, covering how to locate it, what it reveals, and its essential role in buying, selling, and restoring this legendary synth.