The Korg 01/W, released in 1991, is a 16-bit digital synthesizer that was part of Korg's M1 and Wavestation series. It was popular for its high-quality sounds, intuitive interface, and affordability. The 01/W featured a 61-note keyboard, 256 preset sounds, and 128 user-programmable slots. Its architecture allowed for complex sound design through a combination of waveforms, filters, and effects.