Same powerful workstation, fresh new look!

The aftertouch-equipped NAUTILUS AT is getting a limited edition makeover. Still available in both 61 and 88-key versions, and housing the same powerful feature-set, NAUTILUS AT is now available in a stylish and eye-catching matte gray finish.

But it’s not just about the top panel. The 61-key version sports a gray bottom panel for a slick cohesive design, while the 88-key model is framed with elegant black wooden side panels for a refined touch.

The NAUTILUS AT Gray is more than just a musical instrument - it’s a visual statement. Perfect for stage performances and studio sessions, this limited edition not only empowers you to create great music, but also adds an artistic touch to your setup. Enjoy the same trusted KORG sound, now with an amplified visual appeal.

*All specifications are the same as NAUTILUS AT except for the gray color.

SPECIFICATIONS:

KEYBOARD:
88 key: RH3 (Real Weighted Hammer Action 3)*
61 key: Natural Touch Semi Weighted*

*Supports Velocity sensitive and aftertouch.
* Difference is only aftertouch, specifications are exactly the same as the standard model.

SYNTHESIS TYPES:

- SGX-2: Premium Piano (Acoustic Piano)
- EP-1: MDS Electric Piano (Electric Piano)
- HD-1: High Definition Synthesizer (PCM)
- AL-1: Analog Synthesizer (Analog Modeling)
- CX-3: Tonewheel Organ (Tonewheel Organ Modeling)
- STR-1: Plucked String (Physical Modeling)
- MOD-7: Waveshaping VPM Synthesizer (VPM Synthesis)
- MS-20EX: Component Modeling Technology (Analog Modeling)
- PolysixEX: Component Modeling Technology (CMT Analog Modeling)

MAXIMUM POLYPHONY:

- SGX-2: 100 voices (100 dual-stereo notes)
- EP-1: 104 voices
- HD-1: 140 voices
- AL-1: 80 voices
- CX-3: 200 voices
- STR-1: 40 voices
- MOD-7: 52 voices
- MS-20EX: 40 voices
- PolysixEX: 180 voices

PRESET PCM RAM:

- RAM: 496 MB
- DISK: 2.3G (ROM 1,771 Multisamples, 3,955 Drumsamples)

BUILT-IN EXPANSION PCM LIBRARIES:

- EXs301: German2 D Piano
- EXs302: Italian F Piano
- EXs303: Japanese Upright U Piano
- EXs304: Prepared Piano
- EXs305: Historical Keyboards
- EXs306: Vintage Keyboards 2
- EXs307: Strings & Synths
- EXs308: Guitar Collection
- EXs309: Bass Collection
- EXs310: World Essence
- EXs311: Background Loops
- EXs312: SFX & Hits
- EXs313: Found Percussions
- EXs314: Expansion Drums

PCM RAM CAPACITY: Approximately 2GB

WAVE SEQUENCES:

- 598 User memory
- 377 Preload
- Support for stereo multisamples, synchronization of individual notes, and tempo-based settings.

SGX-2 PROGRAM - PREMIUM PIANO:

- Full key stereo sampling, Chromatically sampled at up to 12 velocity levels, no looping.
- Damper resonance and mechanical noise are reproduced.
- Una Corda sample support

EP-1 PROGRAM - MDS ELECTRIC PIANO:

- Tine and reed-type electric pianos powered by Multi-Dimensional Synthesis (MDS), and vintage effects.
- Electric Piano Model Types: 7
- Oscillator Control: Harmonic Sound Level, Attack Noise, Level, Release Noise Level, Attack Brightness, Hammer Width
- Panel Control: Tine Type, Preamp Volume, Tone (Treble, Bass), Vibrate (On/Off, Intensity, Speed), Amp/Cabinet (On/Off, Drive), Reed Type, Preamp Volume, Tone (Treble, Bass), Vibrate (Intensity, Speed), Amp/Cabinet (On/Off, Drive)
- Effect Types: 9

HD-1 PROGRAM - HIGH DEFINITION SYNTHESIZER:

- Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope.
- Structure: Single, Double, Drums, Double Drums
- Oscillators: 8 velocity zones per oscillator, with switching, crossfades and layering
- Filters: Two multi-mode filters per voice
- Driver: Per voice non-linear driver and low boost circuit
- EQ: Three bands, with sweep-able mid

AL-1 PROGRAM - ANALOG SYNTHESIZER:

- Ultra-low-aliasing oscillators, VCO1, VCO2, Ring Mod, Pink and White Noise Generator
- Audio Input: Run real-time audio through the synthesis engine and ESP (External Signal Processor)
- Filters: 12dB/octave High Pass and Low Pass self-resonant filters

CX-3 PROGRAM - TONEWHEEL ORGAN:

- Phase-synchronous tonewheels (clean and vintage modes), percussion, key click, wheel brake
- EX Mode: Four additional, user-specified drawbars, and expanded percussion
- Internal Effects: Rotary speaker, vibrato/chorus, amp modeling with overdrive, 3-band EQ

STR-1 PROGRAM - PLUCKED STRING:

- Includes physically modeled damping, decay, dispersion, nonlinearity, harmonics, dual pickups, and more.
- Most string parameters can be controlled in realtime
- String Excitation: Three independent excitation sources can be used simultaneously - Pluck, Noise, and PCM.

MOD-7 PROGRAM - WAVESHAPING VPM SYNTHESIZER:

- Combines Variable Phase Modulation (VPM), Waveshaping ring modulation, PCM sample playback, and subtractive synthesis.
- Oscillators: 6 VPM/Waveshaper/Ring Modulation Oscillators
- PCM Oscillator: KORG’s ultra-low-aliasing technology, 4 velocity zones per oscillator
- Audio Input: Run real-time audio through the VPM Oscillators and filters.

MS-20EX PROGRAM - COMPONENT MODELING TECHNOLOGY:

- Ultra-low-aliasing oscillators: VCO1, VCO2, Ring Mod, Pink and White Noise Generator
- Audio Input: Run real-time audio through the synthesis engine and ESP (External Signal Processor)
- Filters: 12dB/octave High Pass and Low Pass self-resonant filters

POLYSIXEX PROGRAM - COMPONENT MODELING TECHNOLOGY:

- Oscillators: VCO (Saw, Pulse, PWM) and Sub Oscillator
- Filter: 24dB(4-Pole) Octave Low Pass self-resonant filter
- Effects: Integrated Polysix Chorus, Phaser, and Ensemble
- Arpeggiator: Integrated MIDI-synced arpeggiator

NUMBER OF TIMBRES, MASTER KEYBOARD FUNCTIONALITY: 16 Maximum

SAMPLING:

- Bit Depth/Sampling Frequency: RAM - 16-bit/48 kHz stereo/mono sampling, DISK - 16 or 24-bit/48 kHz
- Sampling Time: RAM - Depends on the amount of available PCM RAM, DISK - Maximum 80 minutes stereo (879MB: 16bit)
- Sample Locations: 16,000 samples/4,000 multisamples (128 indexes per multisample)

EFFECTS:

- Insert Effects: 12
- Master Effects: 2
- Total Effects: 2
- Effect Types: 197
- Modulation: Dynamic Modulation and Common LFO
- Effects

Control Busses: Stereo side-chaining for compressors, gates, vocoders, etc
- Effect Presets: Total 783 preset, Maximum 32 per 1 effect (Preset User)

ARPEGGIATOR:

- Arpeggiator Modules: One module in Program mode, two modules in Combination and Sequencer modes
- Arpeggio Pattern: 5 presets + ARP A 2,048 slots + ARP B 128 slots
- Controllers: On/Off, Latch, Gate, Velocity, Length, Swing, Tempo

SEQUENCER / HDR:

- Tracks: 16-track MIDI sequencer + 16-track hard disk recorder + 1 master track
- Number of Songs: 200
- Resolution: 1/480
- Tempo: 40.00 – 300.00 (1/100 BPM resolution)
- Maximum Memory: 400,000 MIDI events or 300,000 audio events
- Audio Tracks: 16-track playback, 4-track simultaneous recording, WAV file format 16bit/24bit

GENERAL:

- Outputs: L/MONO, R, Individual 1-4, Headphones
- Inputs: Audio Inputs 1 and 2, USB-B
- Control Inputs: Damper pedal (half damper supported), Assignable switch, Assignable pedal
- MIDI: In, Out, Thru
- USB: USB A (TYPE A), USB B (TYPE B)
- Disk Drives: 60 GB SSD (2.5”)
- Power Supply: AC power supply terminal, Power switch
- Power Consumption: 40 W
- Accessories: AC cord, Quick Start Guide
- Options: XVP-20: Expression/Volume Pedal, EXP-2: Foot Controller, DS-1H: Damper Pedal, PS-1: Pedal Switch, PS-3: Pedal Switch

B-stock products sold by Korg USA may have minor cosmetic imperfections and may show slight signs of use but are in perfect working condition. The product will be packaged with all factory-included accessories/power supplies. B-stock products have been repaired, if necessary, and QC’d to manufacturers specifications and carry the same manufacturer’s warranty as a new product. B-stock products may not include owner’s manuals (downloadable on-line) and may not be in the original packaging. We do not offer specific notes or images on our B-stock products as they are packaged before they are available in our inventory, as mentioned. Our B-stock items come with a 7-day return period (beginning on the respective item's date of delivery) which should provide ample time to check out the product. Additional details regarding our returns/refund policy are linked in the product listing.