Summary

ACE is a semi-modular software synthesizer by u-he that offers a clear, compact interface and powerful modular capabilities. It supports patching any output to any input, making it versatile for beginners and advanced users alike.

Features

• Semi-modular architecture with default routing and flexible patching options
• Two voltage-controlled oscillators (VCOs) with PWM, sync, ring, and cross modulation (FM)
• Polyphony up to 16 voices, duophonic, monophonic with legato and retrigger options
• Eight-voice unison with octave detuning
• Two multimode analog-style cascaded filters with self-oscillation and multiple outputs
• Two ADSR envelopes with advanced options like snap, fall/rise, singing
• Two LFOs usable from 0 Hz to 20 kHz, also functioning as audio oscillators
• Mapping Generator with editable 128-value list for modulation and waveform shaping
• Multiplex modules for mixing, amplitude and ring modulation, crossfading
• Syncable and loopable ramp generator
• Global effects including chorus/phaser (4 types), stereo delay (7 modes), and bass/treble controls
• Circuit bending options for oscillator behavior
• Resizable user interface from 70% to 200%
• MIDI and MPE support with extensive modulation sources and assignments
• Over 920 factory presets included
• Cross-platform availability: macOS, Windows, Linux (beta)

Sound and Usage

ACE models analog characteristics with instabilities and non-linearities. Its oscillators and filters offer classic and experimental sound shaping possibilities, perfect for users interested in modular synthesis techniques without the hardware complexity.

System Requirements

• macOS 10.10 or newer, Windows 7 or newer, Linux (glibc 2.28 and newer)
• Host DAW required
• 1 GB RAM or more recommended
• 1000 x 600 or larger display
• 35–100 MB free disk space
• Modern CPU (Intel Nehalem/AMD Bulldozer or newer; Apple silicon M1 or newer)