Yamaha MM6 61 Key Synth WorkstationNotes FEATURES 61 synth action keys AWM2 Tone generator 32 note polyphony 16 part mulitimbral capacity 70MB wave ROM (in 16 bit linear format) 418 normal voices, 22 drum kits 128 GM voices, 1 GM drum kit 8 banks of 8 performance settings 25 reverb types 30 chorus types 5 master EQ types Sequencer 96 parts per quarter note resolution 11 280 BPM tempo range Real time replace recording 168 patterns (x4 sections) 3 preset songs, 5 user songs 400 song max.