: Look at the rear panel of the synthesizer, near the power input jack and MIDI ports. You will find a silver or black foil sticker containing the model name, power specifications, and a stamped or printed serial number.
While Korg does not typically offer a public serial number lookup tool, you can contact Korg support directly for information. They may be able to confirm the original model or provide production details based on the number, especially for more recent units. Korg M1 Serial Number
: The vast majority of M1 units feature a six-digit serial number (e.g., 012345 to 250000+ ). : Look at the rear panel of the
Korg placed the serial number label on the exterior chassis of the instrument. Over decades of gigging and studio use, these labels can sometimes wear off or become obscured. They may be able to confirm the original
Given its popularity, many M1s exist, but checking for a valid, high-number sequence can confirm it is not a "prototype" or early experimental unit. Korg M1 Legacy Collection Serial Numbers
Before you buy any used Korg M1, always ask the seller for a clear photo of the rear serial number. If they refuse, walk away. If they provide it, cross-reference it with the table above. And if you find an 80,000 series unit with a clean keybed and a working battery? Buy it immediately. You aren’t just buying a synth; you are buying a piece of music history.