U-he Ace V1.4.0.3898 [win-osx] May 2026

This specific version (part of the 1.4 series) focuses on stability and modern integration:

is a semi-modular synthesizer plugin known for its "virtual analog" sound and flexible patching system. Version 1.4.0.3898 is a specific maintenance update designed to ensure compatibility with modern operating systems and host environments. Core Concept & Design u-he ACE v1.4.0.3898 [WiN-OSX]

: Two multi-tap oscillators with sawtooth, pulse, sine, and "sub-osc" waves. It also includes PWM (Pulse Width Modulation) and sync capabilities. This specific version (part of the 1

: Two LFOs, two ADSR envelopes, and a mapping generator for complex, evolving sounds. Technical Details: Version 1.4.0.3898 It also includes PWM (Pulse Width Modulation) and

: Every input can be a modulation source. You can plug audio signals into control inputs for extreme FM (Frequency Modulation) and ring modulation effects.

ACE stands out by combining the simplicity of a fixed-architecture synth with the power of a modular system. It uses a "semi-modular" approach, meaning there is a default internal signal path, but you can override any connection by clicking and dragging virtual patch cables between inputs and outputs.