The Korg M1 is the best-selling digital synthesizer in music history. Released in 1988, this iconic workstation defined the sound of late '80s and early '90s pop, house, and film music. Today, it remains highly sought after on the vintage market.
Some very late M1s (mostly the M1EX or M1R rackmount) feature a letter prefix like A or B . Example: A01234 . This appears to indicate: Korg M1 Serial Number
In the vintage synthesizer market, "first-year" production units (1988) with low serial numbers carry a premium for specific purist collectors. Conversely, player-focused buyers often prefer later serial numbers because the internal components have fewer hours of use and benefit from factory-corrected hardware optimizations. What to Do If Your Serial Number Sticker Is Missing The Korg M1 is the best-selling digital synthesizer
: A lush, atmospheric pad that showcased the unit's "AI" (Advanced Integrated) Synthesis System [6, 24]. Some very late M1s (mostly the M1EX or
: Identifying specific production batches if you need replacement parts or internal battery servicing.