Oberheim OB-X by GForce Software synth plugin interface

Oberheim OB-X: Analog-Style Polysynth Emulation by GForce Software Free Download

Rated 4.8/5 on Plugin Boutique (64 ratings)

Oberheim OB-X is a virtual synthesizer plugin from GForce Software that emulates the Oberheim OB-X polysynth of the 1980s. It is available in VST3, VST2, AU, AAX and standalone formats for Windows and macOS.

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Free trial available from the developer

01Overview

GForce Software describes the OB-X as an emulation of the Oberheim OB-X that the developer says is officially endorsed by Oberheim. The plugin aims to keep the original tone while adding modern tools. It includes up to 16-voice polyphony, a vintage control for analog-style imperfections, four programmable macros, an arpeggiator, and chord mode with scales. A resizable interface and a preset browser with tagging, sorting and search help with day-to-day production.

Best for

Analog-style pads
Polysynth leads
Evolving ambient textures
Electronic basslines
Rock and prog keys
Modulated sound design

Developer: GForce Software
Category: Synths
Store: Plugin Boutique

02Key features

What you get

Emulation of the Oberheim OB-X, which the developer says is officially endorsed
Up to 16-voice polyphony with vintage analog-style control
X-Modifier LFOs and ADSRs for almost all parameters
Four programmable macros for quick sound manipulation
Monophonic, polyphonic, legato and unison trigger modes
Chord mode with scales and an arpeggiator
Chorus, stereo delay and reverb effects built in
Over 400 presets with a tagging and search preset browser
Resizable user interface and per-voice panning

03In depth

Sound Character and Modulation with X-Modifiers

The OB-X emulation centers on the classic polysynth voice, with a vintage knob that adds subtle analog imperfections to the sound. The developer also extends the original architecture with new LFO options, including intro, retrigger, phase and smoothing controls, and a level destination for the LFO. Separate PWM1 and PWM2 controls are included.

The main addition is X-Modifier technology. The developer says dedicated LFOs and ADSRs are available for almost all parameters, and that the X-LFO and X-ADSR sections are already routed, so you do not have to build modulation paths manually. This is useful when you want evolving pads or complex movement without a long setup process.

Playing Modes, Performance and Presets

The synth offers monophonic, polyphonic, legato and unison trigger modes, along with per-voice panning for wide stereo layers. Programmable aftertouch and expanded velocity controls add expression for keyboard players. The arpeggiator and chord mode with scales help with melodic and harmonic ideas.

The plugin includes over 400 presets and a preset browser with extensive tagging, sorting and search. The developer says the presets were created by a group of named sound designers and range from modern to classic styles. Chorus, stereo delay and reverb effects are built in, and four macros let you control several parameters at once.

04Specs

Will it run?

Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.

Developer	GForce Software
Type	Plugin
Category	Synth
Formats	VST3, VST2, AU, AAX, Standalone
Operating systems	Windows, macOS
Free trial	Yes

05FAQ

Questions, answered

What formats does Oberheim OB-X support?

Oberheim OB-X is available in VST3, VST2, AU, AAX and standalone formats. It runs on Windows and macOS.

What are the system requirements for Oberheim OB-X?

On Windows, the listed minimum is a 2GHz CPU with 2GB RAM and Windows 7 or later. On macOS, it requires an Intel or Apple Silicon Mac running macOS 10.13 or later.

What is X-Modifier technology?

X-Modifiers are dedicated LFOs and ADSRs that GForce Software says are available for almost all parameters. The X-LFO and X-ADSR sections come pre-routed, so modulation can be set up without manual patching.