Sonicprojects Op-x Pro-ii V1.2.6 [win-osx] Apr 2026

Each of the 12 voice channels has its own stereo pan control, allowing for wide, immersive stereo fields without relying on chorus effects. SonicProjects OP-X PRO-II: Official Tutorial

Unlike most virtual synths that use a single global engine, the OP-X PRO-II models individual voice boards . This allows for slight variations in tuning, filter, and envelope behavior per voice, mimicking the natural "imperfections" of vintage hardware. SonicProjects OP-X PRO-II v1.2.6 [WiN-OSX]

The (v1.2.6) is a high-fidelity virtual synthesizer designed to replicate the legendary Oberheim OB-X. While it has since been updated to newer versions like v1.3.0 , version 1.2.6 remains a stable benchmark for its iconic "Separate Voice Design" and authentic 80s analog warmth. Core Architecture & Sound Engine Each of the 12 voice channels has its

Switchable master polyphony modes of 6, 8, or 12 voices to match different vintage hardware configurations. The (v1

Includes integrated mono delay (up to 1000ms) and a high-quality reverb with adjustable size and stereo width. Technical Specifications (v1.2.6)

Native support for Windows and macOS (VST/AU).

Features a dual-filter design inspired by the famous SEM filter . It allows for seamless blending between Low Pass, High Pass, Band Pass, and Notch modes.