Make: Korg

Model: OASYS 88-Key Open Architecture Synthesis Studio 

Year:  2005

Finish: Black

Condition: Very Good

MIDI I/O: MIDI Through | MIDI Input | MIDI Output

Electronics: 

Key Size: Full Size

Number of Keys:

Keyboard Action: Weighted

Polyphony: 172 Voices

Pedal: None

Analog / Digital: Digital

Case: None

Cords: Power

Notes: The Korg OASYS 88-Key Open Architecture Synthesis Studio is a landmark flagship workstation that redefined the capabilities of professional keyboard instruments. Designed as a complete music production environment, the OASYS combines advanced synthesis technologies, professional audio recording, sampling, sequencing, and performance control within a single integrated platform. Widely regarded as one of the most ambitious synthesizer workstations ever produced, the OASYS remains highly respected among professional musicians, composers, and sound designers worldwide.

At its core, the OASYS features Korg's revolutionary Open Architecture Synthesis System, allowing multiple synthesis engines to operate simultaneously while providing a platform designed for future expansion. The instrument includes powerful sound engines such as the HD-1 High Definition PCM Synthesizer, AL-1 Analog Modeling Synthesizer, CX-3 Tonewheel Organ Modeling, and STR-1 Physical Modeling synthesis, delivering an extraordinary range of sonic possibilities—from realistic acoustic instruments to complex electronic textures and evolving soundscapes.

The 88-key version is equipped with Korg's RH2 Real Weighted Hammer Action keyboard, providing an authentic piano-like feel with velocity sensitivity and aftertouch for expressive performance. A large 10.4-inch color TouchView display serves as the command center for sound design, sequencing, sampling, and recording, while an extensive collection of sliders, knobs, switches, ribbon controllers, joysticks, and vector synthesis controls provides hands-on access to every aspect of performance and production.

More than a synthesizer, the OASYS functions as a complete production workstation, featuring integrated 16-track MIDI sequencing, 16-track digital audio recording, advanced sampling capabilities, KARMA Generation 2 technology, vector synthesis, wave sequencing, and studio-grade effects processing. Its powerful architecture enables musicians to compose, record, edit, and perform entire productions directly from the instrument.

Built with premium components and uncompromising engineering, the Korg OASYS became the foundation upon which later flagship workstations—including the Kronos series—were developed. Today, it is considered a legendary instrument, prized for its exceptional sound quality, deep programming capabilities, and groundbreaking technological innovation.

Key Features:

• 88-key RH2 Real Weighted Hammer Action keyboard with aftertouch
• Open Architecture Synthesis System (OASYS)
• Multiple synthesis engines including HD-1, AL-1, CX-3, and STR-1
• Massive PCM library and advanced sample-based synthesis
• 10.4-inch color TouchView touchscreen interface
• Integrated 16-track MIDI sequencer
• Integrated 16-track digital audio recording system
• KARMA Generation 2 performance technology
• Vector Synthesis and Wave Sequencing capabilities
• Professional sampling and sound design environment
• Extensive real-time performance controls
• Studio-quality multi-effects processing
• USB, MIDI, audio I/O, and professional connectivity options
• Expandable architecture designed for future software enhancements

The condition is very good, the electronics work, the start/stop button is loose but still functions. Has wear marks on the console and a few blemishes around the casing.

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