Many M1s have a 6-digit serial number, sometimes starting with a 0 or 1.
The serial number of the Korg M1 can typically be found in one of the following locations:
: Verifying the unit is a genuine 1988–1995 original.
Later serial numbers (210k+) tend to have more reliable power supplies and backlights. Korg M1 Serial Number
Just Numbers (1983–) After some point in 1983 new models were given six-digit serial numbers which seem just to be numbers 000001- zasm.earth Korg M1 (Retrozone) - Sound On Sound
You will often see listings for the "Korg M1 EX." This is not a different serial number range.
In some cases, or on refurbished units, it might be on the bottom casing, though the back is the standard location. Many M1s have a 6-digit serial number, sometimes
If you want to delve deeper into your synth, I can help you with your machine. Tell me: What is the printed on your unit?
The Korg M1 operating system is stored on physical ROM chips inside the unit.
The Korg M1 family includes a few spin-offs, and their serial numbers follow distinct paths: Just Numbers (1983–) After some point in 1983
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Early production models (lowest serial numbers) hold higher historical value for studio purists.
Before purchasing a Korg M1, always ask the seller for a clear photograph of the . Cross-reference the number with the timeline above to confirm the approximate age, check the firmware version via the boot-up shortcut, and use that information to negotiate a fair, accurate price for one of the greatest synthesizers ever built.