Korg M1 Serial Number Jun 2026
The Korg M1 serial number contains valuable information about your instrument, including its production date, factory, and model year. Here's a breakdown of the serial number format:
XXXXXXX-XXXX-XXXX-XXXX
: Enthusiast databases, such as the ZASM Korg Serial Reference , track thousands of M1 serials, showing common sequences starting with "0" (e.g., 013537) up to "2" (e.g., 215725). Digital Alternatives: M1 Le and VST Product Codes Korg M1 (Retrozone) - Sound On Sound Korg M1 Serial Number
💡 To check your firmware version without opening the case, hold the 'COMBI' and 'PROG' buttons while powering on the unit. Why the Serial Number Matters
Korg used a relatively straightforward numeric system for the M1. There are no letters in a standard M1 serial number (unlike the later M1R rackmount, which sometimes starts with a letter). The Korg M1 serial number contains valuable information
If you are selling your M1, the serial number should be the third line in your ad (after "Working" and "No smell").
Later units shipped with version 8.x, which fixed MIDI data transmission bugs and improved system stability. Why the Serial Number Matters Korg used a
Instruments with very low serial numbers (e.g., below 005,000) command a significant premium on the secondhand market. These are the earliest production units, and collectors highly value this historical provenance. A low number suggests the instrument is from the very first batch, possibly even a pre-production or review model.
The Korg M1 operating system is stored on physical ROM chips inside the unit.
What the serial number indicates
: Verifying the unit is a genuine 1988–1995 original.