If you own a Korg M1, you own a piece of music history. Released in 1988, the M1 is officially the best-selling synthesizer of all time, moving over 250,000 units. It defined the late-80s and early-90s soundscape, from the iconic "Universe" patch in house music to the "Piano 8" on countless ballads.
of the unit, often near the MIDI ports or the power input. In a secondary location, Korg often stamped the serial number on the original cardboard shipping box and included it on the warranty card. For those whose external stickers have peeled off over the decades, identifying the specific "era" of the machine often requires looking at the internal ROM version via a button-press shortcut during startup. Why the Number Matters: Hardware Revisions Korg M1 Serial Number
Every Korg M1 owner eventually faces two horrors. Your serial number predicts your risk. The Ultimate Guide to the Korg M1 Serial
Practical uses for owners and collectors of the unit, often near the MIDI ports or the power input