Korg M1 Serial Number Jun 2026

The value increases dramatically when the low serial number on the synth matches the number on the original box, manual, warranty card, and other packaging . A complete “kit” with all original materials can sell for two to three times the price of a standalone unit.

Because Korg has never officially released their vintage production archives, the synthesizer community has reverse-engineered M1 production dates by matching serial numbers with original purchase receipts and component date codes. Korg M1 Serial Number

So next time you see an M1 for sale, flip it around. Look at that number. You’re not just reading digits—you’re reading the production history of the most sampled, most played, most argued-about workstation of all time. The value increases dramatically when the low serial

The Korg M1 (1988–1991) is one of the most influential digital synthesizers and music workstations of the late 20th century. Its distinctive sounds — the famous “M1 Piano,” organ patches, and evolving pads — defined countless recordings across pop, dance, house, and film music. Serial numbers for M1 units are a small but important detail for collectors, restorers, and historians: they help verify manufacture date, factory origin, authenticity, and sometimes the hardware revision or regional distribution. So next time you see an M1 for sale, flip it around

Here's a rough breakdown of the production date and batch number: