Yamaha DX100 (synthesizer)
The Yamaha DX100 is a synthesizer of the family of the DX7 built by Yamaha using the FM synthesis. The DX100 offers four operators and eight algorithms. It has only 49 keys, and no arpeggiator or effects, but is still useful, known in particular for its bass patch #1. It does feature up to 192 presets, seriously improving the DX7's limited preset capabilities. It can also store 24 programmable ram sounds.