OP-X is a virtual instrument that faithfully recreates the iconic Oberheim OB-X synthesizer, delivering classic analog sounds with modern flexibility. Available as a VSTi for Windows and a Reaktor ensemble compatible with both Windows and Mac OS X, OP-X brings the rich character of the original hardware to your digital audio workstation. Its design captures the distinctive warmth and depth that made the OB-X a staple in synthesizer history.

Each of OP-X’s six voices operates through separate signal paths, featuring subtle variations in oscillators, filters, envelopes, and portamento times that contribute to a dynamic, evolving sound. These parameters can be individually tuned using global controls, allowing for intricate detuning and fine adjustments. The instrument includes a 12 dB SEM-filter emulation, polyphonic portamento, and a range of modulation options such as sync, cross-modulation, ring modulation, and noise, enabling complex sound design possibilities.

Beyond its sound engine, OP-X offers practical features like an arpeggiator and sequencer, individual voice panning, and selectable visual animations for keyboard and lever movements. Its comprehensive modulation capabilities include filter-envelope modulation and sine wave frequency modulation, all accessible within a user-friendly interface. OP-X is ideal for producers and musicians seeking authentic analog textures combined with detailed control in a modern software format.