The KORG NAUTILUS-61 is a powerful, performance-ready music workstation featuring nine advanced sound engines, an expressive 61-key semi-weighted keyboard, and a streamlined interface built for both studio production and live performance.

With its 7-inch touchscreen, deep synthesis capabilities, comprehensive effects section, and Smooth Sound Transition for seamless scene changes, the NAUTILUS-61 offers professional-level control in a lightweight, portable design.

• 61-key Natural Touch semi-weighted keyboard
• Nine sound engines including piano, organ, analog modeling & orchestral
• Smooth Sound Transition (SST) for seamless patch changes
• 7-inch color touchscreen for fast navigation and editing
• Over 200 studio-quality effects
• Set List mode for live performance organization
• Built-in sampling and audio recording
• Assignable knobs & controllers for deep real-time control

• Keyboard: 61-key Natural Touch semi-weighted
• Polyphony: Up to 240 voices (engine dependent)
• Storage: Approx. 60GB SSD
• Inputs: Audio inputs, damper, assignable switches, USB
• Outputs: L/R main outputs, headphone, USB MIDI/audio
• Dimensions: Approx. 1,042 × 313 × 118 mm
• Weight: Approx. 13.0 kg

• KORG NAUTILUS-61 Synthesizer
• Power Cable
• Quick Start Guide

Disk Mode

Load, save, utility, data filer function (save/load MIDI System Exclusive data), CD-R/RW (UDF format read/write), ISO9660 Level 1.

Controllers

Joystick, Switches 1 & 2
Arpeggiator Control: On/Off, Latch, Gate, Velocity, Length, Swing, Tempo
DRUM TRACK: On/Off, Swing, Drum SD, Tempo

Display

TouchView graphical user interface, 7 inch color TFT, WVGA (800 x 480 dots), adjustable brightness

Principal Specifications

Frequency Response
20Hz-22kHz, +/-1.0dB, 10k Ω load

THD+N
20Hz-22kHz, 0.01%, 10k Ω load (typical)

S/N
95dB (typical)

Dynamic Range
95dB (typical)

Crosstalk
95dB, at 1kHz (typical)

Outputs

L/MONO, R, Individual 1-4
1/4” TRS Balanced
Output Impedance: 350 Ω Stereo; 175 Ω Mono (L/MONO Only),
Nominal Level: +4.0 dBu,
Maximum Level: +16.0 dBu (when load impedance is 600 Ω or greater)
MAIN VOLUME slider controls only AUDIO OUTPUT (MAIN) L/MONO and R

Headphones
1/4” stereo phone jack
Output impedance: 33 Ω,
Maximum Level: 60+60 mW (when load impedance is 33 Ω),
MAIN VOLUME knob (link with AUDIO OUTPUT (MAIN))

USB-B
24-bit, Sample Rate: 48 kHz, 2 channels
(Digital output of the same signals as AUDIO OUTPUT (MAIN) L/MONO and R)

Inputs

Audio Inputs 1 and 2
1/4” TRS Balanced
Input Impedance: 10 kΩ
Nominal Level: LINE +4 dBu
Maximum Level: LINE +16 dBu
Nominal Level: MIC –22 dBu
Maximum Level: MIC -10 dBu
Source Impedance: 600 Ω

USB-B
24-bit, Sample Rate: 48 kHz, 2 channels

Control Inputs

Damper pedal (half damper supported)
Assignable switch, Assignable pedal

MIDI

In, Out, Thru

USB

USB A (TYPE A)
For connection to external USB devices (QWERTY keyboards, MIDI controllers, ethernet adaptors, and storage)

USB B (TYPE B)
MIDI/audio interface, MIDI: 1 (16 channel) input / 1 (16 channel) output, Audio: 2 channel input / 2 channel output
*2 USB high-speed ports (supports 480Mbps)

Disk Drives

60 GB SSD (2.5”)

Power Supply

AC power supply terminal, Power switch

Dimensions: (W x D x H)

88 key: 1,437 x 387 x 139 mm / 56.57” x 15.24” x 5.47”
73 key: 1,227 x 386 x 116 mm / 48.31” x 15.20” x 4.57”
61 key: 1,062 x 386 x 116 mm / 41.81” x 15.20” x 4.57”

Weight

88 key: 23.1 kg / 50.93 lbs.
73 key: 14.6 kg / 32.19 lbs.
61 key: 13.0 kg / 28.66 lbs.

Power Consumption

40 W

Accessories

AC cord, Quick Start Guide