The serial number sticker also states the factory voltage configuration (e.g., 100V for Japan, 120V for North America, 220-240V for Europe). Always double-check that the serial plate matches your local grid voltage, as many Japanese 100V units are exported globally today and require a step-down transformer to prevent frying the internal power supply. Common Serial Number Variations: M1 vs. M1R vs. M1EX
The vast majority of Korg M1 units were manufactured in Japan . This is typically stated on the sticker. This adds to the instrument’s reputation for robust build quality.
Understanding how to date your M1 using the serial number allows you to accurately assess its place in the instrument’s production timeline, which directly correlates to its rarity and, therefore, its value.
The welcome screen will display a version number (e.g., #19 indicates firmware version 1.19).
Look at the of the synthesizer. The serial number is printed on a rectangular silver or white sticker located near the power inlet, MIDI ports, or the main audio outputs. It typically sits next to the factory text indicating the model name ("MUSIC WORKSTATION M1") and manufacturing origin ("MADE IN JAPAN"). Internal PCB Markings
The serial number sticker also states the factory voltage configuration (e.g., 100V for Japan, 120V for North America, 220-240V for Europe). Always double-check that the serial plate matches your local grid voltage, as many Japanese 100V units are exported globally today and require a step-down transformer to prevent frying the internal power supply. Common Serial Number Variations: M1 vs. M1R vs. M1EX
The vast majority of Korg M1 units were manufactured in Japan . This is typically stated on the sticker. This adds to the instrument’s reputation for robust build quality.
Understanding how to date your M1 using the serial number allows you to accurately assess its place in the instrument’s production timeline, which directly correlates to its rarity and, therefore, its value.
The welcome screen will display a version number (e.g., #19 indicates firmware version 1.19).
Look at the of the synthesizer. The serial number is printed on a rectangular silver or white sticker located near the power inlet, MIDI ports, or the main audio outputs. It typically sits next to the factory text indicating the model name ("MUSIC WORKSTATION M1") and manufacturing origin ("MADE IN JAPAN"). Internal PCB Markings
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