Sonic Projects – OP-X PRO-II v1.3.1 – R2R (VST3i) [WiN x64]

By | December 2, 2023


Release Year/Date : 11/13/23
Developer : Sonic Projects.
Developer’s website : Sonic Projects
Format : VST3i.
Bit capacity : 64bit
Tablet : Cured [R2R]
System requirements : WIN 7+

Description :
OP-X PRO-II is a virtual analog synthesizer, originally based on the famous Oberheim OB-X.
However, its engine has evolved to include features borrowed from other iconic synths of the era,
making it incredibly versatile. The range of possible sounds extends from early mono synthesizers,
classics like the OB-X and Jupiter-8, to the Matrix-12.

The OP-X PRO-II engine closely follows the technical structure of real-life analog polyphonic synthesizers from the 80s, which were based on separate discrete circuits for each voice that sounded slightly different by default due to device tolerances, and could be customized globally by adding bias voltage (auto-tuning) or individually by adjusting the trims on the PCBs. All this is implemented in OP-X PRO-II. What this means: Single voices are actually separate discrete monophonic synthesizers (no cloning of voices!), which by default (without tuning) sound slightly different, but can be quickly tuned or again globally de-tuned (also smoothly if necessary) by pressing special buttons (simulating auto-tuning) for various groups of parameters. Virtual trimpots (simulating calibration trimpots on voice cards) finally also allow pairs of voices to be tuned individually to achieve custom tuning if needed.

Changelog :
Cubase – Fixed issue with note getting stuck.

General characteristics :
12 custom voices (virtual voice boards) in two voice banks.
2 generators per voice (saw, pulse, sine).
FM, hard sync, ring modulation, pw modulation.
Morphable multimode filter (lp12/24, hp, bp, no).
Switchable self-oscillation of the filter.
2 LFOs (main, lever).
LFO 1 waveforms: sine, square, saw, triangle, sample&hold, sampled vibrato.
LFO 1 functions: delay, note trigger, free phase control.
2 ADSR (Filter, Amp).
ADSR 1: Invertable, adjustable for pitch and pulse width.
ADSR 2: switchable attack (lin/log), customizable ring mode.
Stacked unison with variable number of voices and spread control.
Switchable legato or retrigger (uni/poly).
Polyphonic portamento with switchable span and detuning.
Arpeggiator with 32 modes.
Chord hold, sequencer, dual mode.
Built-in effects processor (reverb/delay) with presets.
Switchable dual-motor effects processing.
LFO, effects and arpeggiator are synchronized with the tempo of the song.
32 wheel operating modes, cut-off mode, asymmetrical bending.
MIDI learning and processing of relative or read CCs.
Remote CC patch switching.
Arpeggio hold and sequencer start/stop are switched by the damper pedal.
Separate Voice Design (SVD).
Switchable main polyphony (6/8/12).
Disabled voices.
Individual panning adjustment for each voice channel.
Panning modulation.
Global configuration options (OSC/FILT/ENV/POR).
Trimpot settings for each voice channel for custom settings.
Built-in patch browser with smooth patch changes.
2500 built-in presets.
Includes many famous sounds from the 80s.
2 interface types (synthesizer/rack), each with 3 sizes (standard/large/large).

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