If you want a legal, licensed version, Digital Sound Factory worked with Korg to release an official sample pack. It is technically not a .sf2 file (it is EXS/Kontakt), but many users convert it to SoundFont easily.
The Korg 01/W was unique. Unlike the clean, pristine sounds of the Roland JV series or the analog warmth of the Yamaha SY series, the 01/W was cold , gritty , and huge . It used 16-bit samples with a specific analog filter (the same chip found in the 03R/W) that could scream or whisper.
Furthermore, the emerging support in SoundFont players allows you to add pitch bends and pressure to the old 01/W strings, transforming a static sample into an expressive pad that the original builder, Korg, never dreamed possible.
Because it's in format, it is incredibly versatile:
