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Korg — M1 Serial Number

For a Korg M1 (produced 1988–1995), the serial number is typically found on a sticker located on the back panel or bottom chassis of the unit . Tips for Locating Your Serial Number:

1995: Production ends as the M1 is succeeded by the Korg Trinity. Estimating Manufacture Date Korg M1 Serial Number

On the original Korg M1 hardware, the serial number is typically found on the back panel. For a Korg M1 (produced 1988–1995), the serial

Resale Value: Collectors often look for early-run units or those in pristine condition with clear identifiers. Check your serial: If it starts with "M1-,"

  • Check your serial: If it starts with "M1-," you have red glue. You must open the synth and scrape it off with isopropyl alcohol.

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.

  • Low serial (M1-)? You have a historical artifact. Handle it gently, remove the red glue, and cherish the gritty DACs.
  • Mid serial (171-173)? You have the workhorse. The reliable unit used on thousands of hit records.
  • High serial (174+ / M1EX)? You have a practical tool. Replace the battery today, and it will outlive you.
  • Why: They have the upgraded CPU (reducing MIDI jitter) but do not yet have the problematic surface-mount capacitors of the 1991-1992 models.
  • Value: A clean M1 in this range sells for $500-$700 USD today.
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