Yamaha FS1R

The Yamaha FS1R is a digital synthesizer released by Yamaha in 1998. It is a powerful 8-voice polyphonic synthesizer with a wide range of features, including a built-in FM synthesis engine, a vocoder, and a powerful effects processor. It has been used by a variety of artists, including Aphex Twin, Bjork, and Nine Inch Nails.

The FS1R works by combining a variety of synthesis techniques, including FM synthesis, wavetable synthesis, and physical modeling. It also has a built-in vocoder, which allows users to create vocal-like sounds. The effects processor allows users to add reverb, chorus, delay, and other effects to their sounds. The FS1R also has a variety of performance features, such as arpeggiators, step sequencers, and a powerful modulation matrix.