In very good condition, showing some signed of usagev but in excellent working order. 

Key Features of the Korg SG-Rack

• AI2 Synthesis: The SG-Rack utilizes Korg's AI2 (Acoustic Instrument Interactive) synthesis technology, which provides a high level of expressiveness and realism in its sounds.

• High-Quality Piano Sounds: The module is particularly renowned for its excellent piano and electric piano sounds, making it a popular choice among musicians seeking authentic keyboard tones.

• 64 Voices for Mono Programs and 32 for Stereo Programs: This voice allocation allows for complex and layered sound creations without running out of polyphony.

• 24Mb of Waveform Memory: A significant amount of memory dedicated to storing the waveforms that make up the SG-Rack's sounds, contributing to their depth and richness.

• 64 Programs and 64 Performances of User Memory: Users can save their custom programs and performances, allowing for easy recall during gigs or recording sessions.

• Digital Multi-Effects: The SG-Rack includes two digital multi-effects units with 12 effect types, including reverb, delay, chorus, flanger, overdrive, and rotary speaker simulation, which can enhance and modify the sounds in various ways.

• MIDI Connectivity: With MIDI In, Thru, and Out ports, the SG-Rack can be easily integrated into any MIDI setup, allowing for control by external devices or as a controller itself.

• Output Options: The module features Output (L/Mono/R) connections, providing flexibility in how the audio signal is routed to mixers, recording devices, or amplifiers.

• Backlit LCD Display: A 20 character x 2 line display that makes navigating and editing the SG-Rack's parameters straightforward, even in low-light environments.

• Rackmount Design: The SG-Rack is designed to fit into a standard 19-inch rack, making it convenient for musicians and producers with limited space who prefer a compact, professional setup.

• Build Quality: Constructed with durability in mind, the SG-Rack features a solid build that can withstand the rigors of touring and frequent use.