The Yamaha CS6R is a pressure and velocity sensitive 2U rack (64 voice multitimbral) sample based synthesizer, featuring up to 4 elements, effects (reverb, chorus, insertion multieffects), LFO (up|down-saw, two triangle, five pulse, trapezoid, two S/H waveforms), MIDI, phrase sampling, PLG100/150 plug-in board compatibility, arpeggiator, and 384 presets (128 editable). Each element features an AWM2 source (479 waveforms), digital resonant low pass filter, EQ, dedicated (4 stage) amplitude, pitch, and filter envelopes, an LFO (saw, triangle, square waveforms).