Cherry Audio Pro Soloist Synthesizer (ESD); virtual synthesizer; based upon a well known, preset-based monophonic analog synthesizer from 1972; every aspect precisely modeled in exacting detail incl. the the panel interface and the 30 presets; different user interfaces for Performance, Edit as well aa Arpeggio and Effect Mode; all Pro Soloist voicing parameters reproduced and exposed, including the five parallel 2-pole bandpass filters of the Resonator Bank, expanded with individual frequency curves; dual-layer voicing architecture with 16 polyphonic voices per layer to create split and stack combinations; Panel Control for selecting layer controls, including utility functions for duplicating and exchanging synthesis and effects parameters between layers and presets; Touch Sensor Effects controls to apply aftertouch to volume, brilliance (filter), and portamento, with adjustable touch sensitivity; monophonic and polyphonice voice modes with different trigger options; VCO with sawtooth and pulse waves, plus a Super Wave option for fatter tones; VCO modulation with ADSR PWM, AR PWM, LFO PWM, and LFO FM; four-pole filter with filter invert and many modulation options; resonant highpass filter with cutoff frequency from 20 Hz to 1300 Hz; Resonator Bank with five parallel bandpass filters with continuously variable and modulatable frequency and resonance controls; VCA with modulation by ADSR, AR, LFO, and velocity, and independent per-layer control over volume and panning for stereo tones; ADSR and AR envelope generators; Modulation Matrix with six slots, 22 sources and 58 destinations; Arpeggiator with four modes and MIDI tempo sync; internal effect section featuring distortion, phaser, flanger / chorus, echo and reverb with five algorithms; full MIDI control and DAW automation for all controls; more than 400 presets; scalable user interface with Focus zoom-in feature, as well as standard UI zoom and resize with drag