Σε άριστη κατάσταση, ελάχιστα δουλεμένο σαν καινούριο.
Improvements over the M1
254 sampled instruments in 6 megabytes of ROM (the M1 had 100 sampled instruments)
The AI Squared Synthesis produced much cleaner sound and twice as many effects were available when compared with the M1 and T series.
Korg introduced a feature called Waveshaping.
The 01/WFD, had an internal 3.5" floppy disk drive that could read single sided 720k Floppy Disks, custom Korg format.
The sequencer of The 01/WFD, hold up to 47 thousand notes, several times more than the M1.
The polyphony was doubled to a maximum of 32 notes with 16 tracks/MIDI parts.