Rob Papen Quad-2

Rob Papen Quad-2 (ESD); Virtual Synthesizer; synthesizer with phase distortion and waveshaper in each of the two oscillators; two XY fields each, controllable via modulation matrix and Ribbon Controller; two filters with 43 filter types and 11 special filters, 16 voices; cross-modulation via ring, FM, feed and further types, sub with sine, saw, square and triangle waves, spread control; filter routing serial, parallel, separate per source or with morph; arpeggiator with 16 steps, ratcheting and free row; 12-slot modulation matrix with over 200 destinations, two LFOs and two envelopes; two user waveforms in the U-Wave editor; three serial FX slots with 48 effect types; bank manager with over 1200 presets; Controls: Octave, Type, Sub-Type, Semi, Fine, Sprd, Sub, Drift, Vol, Free, Trk, Out, Sync, Amt, X, Y, Advanced, Freq, Q, Pan, Mod Whl, Key, Env, Vel, Vowel, Mix, Route, Att, Dec, Sust, Fade, Rel, Play Mode, Portamento, Lock, Bend Up, Bend Dn, Unison, Delay, Linear, Volume, Bypass All, Bipolar, Spr Back, Quant