KRONOS Special Edition Music Workstation, 73 Key

Checkout Now
Call Us Now 01908 304664
In stock

KRONOS Special Edition Music Workstation

Loaded with the new Italian Grand Piano, and features a lush red gradation finish

  • Nine Distinct Sound Engines
  • Enhanced SGX-2 Grand Piano Sound Engine 
  • Massive Sound Selection 
  • Color TouchView Display—Now with Touch-Drag Capability 
  • 16-Track MIDI Sequencer / 16-Track Audio Recorder 
  • 16 Onboard Effect Processors 
  • USB/MIDI Host Ports Accommodate MIDI Control Surfaces 
  • Flagship RH3 Weighted Hammer Action


With a red gradation finish that makes it identifiable at a glance, this KORG KRONOS features the new Italian-made grand piano that debuted on the KORG Grandstage. It also comes with the pre-installed "KApro Showcase" that collects only carefully selected sounds from KApro (*), who provided more than 100 of the KRONOS Sound Libraries. The gorgeous color and sound delivered only by KRONOS will make an unmistakable difference on stage. The KRONOS Special Edition is available in a lineup of three models: 61-key, 73-key, and 88-key.

Italian Piano
In recent years, this Italian grand has drawn dramatically increased attention from the worlds of classical and jazz music. The presence of its sound and its detailed resonances have captivated audiences worldwide. A full concert grand previously used in international competitions was specially adjusted and sampled for the KRONOS.

KApro Showcase
This includes orchestral strings that sing with emotion, as well as brass, woodwinds, choir, and phrases. It's a showcase of sounds from KApro, who has developed more than 100 titles of Korg sound libraries. This collection will be a gateway for you to further expand your sonic variety.

Kurt Ader: founder and sound designer of KARO Sound Development, recently established his own company, KApro ("Kurt Ader Productions"), in which he will continue sound design for the KORG KRONOS and also for other KORG gear in the future. Kurt has been working very closely with Prof. Dr. Peter Jung and has now begun offering high-quality sound libraries.

* All specifications other than color, Italian piano, and KApro sounds are identical to the standard model of the KRONOS.





73 key: RH3 (Real Weighted Hammer Action 3)

Tone Generator

  • Synthesis Types:  9
  • 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 Strings (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*1*2

  • SGX-2: 100 voices*3
  • 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

*1: In rare cases, when a large number of processor-intensive effects are active simultaneously (for instance, more than 14 O-Verbs), polyphony may be slightly reduced.
*2: A portion of the multicore processor in KRONOS is devoted to generating voices, and a separate portion is devoted to generating effects. KRONOS dynamically allocates the voice processing power between the engines as necessary. The quoted maximum numbers of voices apply when 100% of the voice processing power is devoted to a single engine.
*3: 100 dual-stereo notes (equivalent to 400 mono voices)

Preset PCM

  • 314 MB (ROM 1,505 Multisamples, 1,388 Drumsamples)

Build-in Expansion PCM Libraries

  • EXs1 - ROM Expansion
  • EXs2 - Concert Grand Piano
  • EXs3 - Brass & Woodwinds
  • EXs4 - Vintage Keyboards
  • EXs5 - ROM Expansion 2
  • EXs6 - SGX-1 German D Piano
  • EXs7 - SGX-1 Japanese C Piano
  • EXs8 - Rock Ambience Drums
  • EXs9 - Jazz Ambience Drums
  • EXs17 – SGX-2 Berlin D Piano
  • EXs18 – KORG EXs Collections

PCM RAM Capacity

  • Approx. 2GB *4

*4: The memory available for Sampling Mode will change based on the use of Expansion PCM libraries and User Sample Banks. Approx. 760 MB is available when shipped from the factory (When loading the file named "PRELOAD.KSC").

Wave Sequences

  • 598 User memory, 187 Preload

Support for stereo multisamples, synchronization of individual notes, and tempo-based settings.

SGX-2 Program

Premium Piano

  • Virtual Memory Technology (VMT) plays large samples directly from the internal SSD
  • Full key stereo sampling, Chromatically sampled at up to 12 velocity levels, no looping.
  • Damper resonance and mechanical noise are reproduced.
  • Modeled String Resonance.
  • Una Corda sample support


  • EXs6:SGX-1 German D Piano
  • EXs7:SGX-1 Japanese C Piano
  • EXs12:SGX-1 Austrian D Piano (Option Sound libraries)
  • 8 velocity levels, no Una Corda samples
  • EXs17:Berlin D Piano
  • 12 velocity levels, includes Una Corda samples

Piano Type

  • 64 (With the factory settings, the 16 varieties of EXs12 SGX-1 Austrian D Piano do not produce sound. The EXs12 option must be downloaded.)

Oscillator Control

  • Damper Resonance
  • Damper Noise
  • Mechanical Noise
  • Note Release
  • String Resonance
  • Una Corda

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 : 6
  • Tine EP I, Tine EP II, Tine EP V, Tine EP DMP, Reed EP200, Reed EP200A

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)*5
  • Reed Type  Preamp Volume, Tone (Treble, Bass), Vibrate (Intensity, Speed), Amp/Cabinet (On/Off, Drive)*5

Effect Types9

  • Small Phase, Orange Phase, Black Phase, Vintage Chorus, Black Chorus, EP Chorus, Vintage Flanger, Red Comp, VOX Wah

HD-1 Program

  • Advanced Vector Synthesis
  • Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope.


  • Single: only OSC1, Double: OSC1 and OSC2.
  • Double mode lets you layer two completely separate synth voices, each with their own velocity-switched oscillator, dual filter, EGs, LFOs, etc.
  • Drums: One drum kit, Double Drums: Two drum kits.


  • Virtual Memory Technology (VMT) plays large samples directly from the internal SSD.
  • 8 velocity zones per oscillator, with switching, crossfades and layering
  • Each zone can play mono or stereo Multisamples or Wave Sequences


  • Two multi-mode filters per voices (low-pass, high-pass, band-pass and band-reject),
  • Four-mode filter routings (single, serial, parallel and 24dB mode)


  • Per voice non-linear driver and low boost circuit


  • Three bands, with sweep-able mid


  • Three envelope generators, two LFOs per voice, common LFO, four key tracking generators, AMS (Alternate Modulation Source), two AMS mixers

EXi Program Common

  • Advanced Vector Synthesis:  Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope.
  • Modulation: Common Step Sequencer, AMS (Alternate Modulation Source), Common LFO, 2 Key Tracking Generators
  • EQ: Three bands, with sweep-able mid

AL-1 Program

  • Oscillators: Ultra-low-aliasing oscillators OSC1, OSC2, Sub-oscillator and noise generator; ring modulation, FM and Sync
  • Audio Input: External audio can be processed through the ring modulator, filter, driver, amp, and EQ
  • Filters: 
    • Two multi-mode filters (low-pass, high-pass, band-pass and band-reject) with four types of filter routings (single, serial, parallel and 24dB mode), Multi Filter mode (only Filter-A; modulatable mix of Low Pass, High Pass, Band Pass, and dry input, for creating a wide variety of unique filter types and effects)
    • Driver: Per-voice non-linear driver and low boost circuit
    • Modulation: Five Envelope generators, four per-voice LFOs, two AMS Mixers; Per-voice Step Sequencer.

    CX-3 Program

    • Tonewheel Organ Modeling: 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
    • Drawbar Control: Controlled via nine front-panel sliders (via Tone Adjust)
    • Split: Upper, Lower (even in EX mode)
    • Modulation: Two AMS mixers

    STR-1 Program

    • Physically Modeled 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.
    • 16 preset "pluck" types, with modulatable width and randomization. Noise generator with saturation and dedicated low pass filter
    • PCM Oscillator:
    • KORG's ultra-low-aliasing technology, as introduced in the HD-1;
    • 4 velocity zones per oscillator;
    • Uses any mono Multisamples, including ROM, EXs, User Sample Bank, or Sampling Mode.
    • Supports Virtual Memory.
    • Excitation Filter:
    • Dedicated 2-pole multimode filter for shaping the string excitation.
    • Filter can be enabled/disabled separately for each excitation source.
    • Low Pass, High Pass, Band Pass, and Band Reject modes

    Audio Input and Feedback

    • Run real-time audio through the string, including feedback through effects.
    • Modeled feedback includes modulate-able instrument-to-amp distance and orientation.


    • Dual multi-mode filters per voice; Single, Serial, Parallel (with split stereo output), and 24dB (4-pole) configurations. Low Pass, High Pass, Band Pass, and Band Reject modes
    • Multi Filter Mode (Filter A only).
    • Modulatable mix of Low Pass, High Pass, Band Pass, and dry input, for creating a wide variety of unique filter types and effects


    • 5 Envelopes, 4 per-voice LFOs, 2 Key Track generators, String Tracking generators, 4 AMS Mixers.

    MOD-7 Program

    • Waveshaping VPM Synthesizer
    • Combines Variable Phase Modulation (VPM), Waveshaping ring modulation, PCM sample playback, and subtractive synthesis; Able to convert-load SYX files.


    • 6 VPM/Waveshaper/Ring Modulation Oscillators:
    • Phase and modulatable pitch per oscillator.
    • 101 Waveshaper tables plus modulatable Drive and Offset.
    • Use as oscillators, or as Waveshapers or Ring Modulators for other signals.
    • PCM Oscillator:
    • KORG's ultra-low-aliasing technology, as introduced in the HD-1.
    • 4 velocity zones per oscillator.
    • Uses any mono Multisamples, including ROM, EXs, User Sample Bank, or Sampling Mode. Supports Virtual Memory.

    Audio Input

    • Run real-time audio through the VPM Oscillators and filters.


    • Dual multi-mode filters per voice. (Low Pass, High Pass, Band Pass, and Band Reject modes)
    • Two types of filter looping (Parallel and 24 dB "4-Pole")
    • Multi Filter mode (Filter A only):
    • Modulatable mix of Low Pass, High Pass, Band Pass, and dry input, for creating a wide variety of unique filter types and effects

    Patch Panel

    • Supports both preset algorithm (78 types) selection and free patching.
    • Three 2-in, 1-out mixers for scaling and merging audio, fully modulatable, with phase inversion.
    • Main 6-input stereo mixer, with modulatable pan and volume, plus phase inversion


    • 10 Envelopes, 4 per-voice LFOs, 9 Key Tracking generators, Per-voice Step Sequencer, 4 standard AMS Mixers plus 4 simple AMS Mixers.

    MS-20EX Program


    • 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)


    • 12dB/octave High Pass and Low Pass self-resonant filters
    • ESP section:
    • 24dB/octave Low Cut and High Cut filters, available per voice.

    Patch Panel

    • Patchable audio and modulation, at audio rates

    Patch Points

    • Keyboard: Keyboard CV Out, Keyboard Trigger Out, VCO1+VCO2 CV In, VCO2 CV In
    • VCO: VCO1+VCO2 External Frequency Control In, VCO1 Out, VCO2 Out
    • VCF: External Signal In, External HP Filter Cutoff Frequency Control In, External LP Filter Cutoff Frequency Control In, HPF Out, LPF In, LPF Out
    • VCO+VCF: Total External Modulation In
    • VCA: External Initial Gain Control In, VCA In
    • EG: EG1 Envelope Signal Normal Out, EG1 Envelope Signal Reverse Out, EG1+EG2 Trigger In, EG1 Trigger In, EG2 Envelope Signal Reverse Out
    • MG: Triangle Out, Rectangle Out
    • Noise Generator: Pink Noise Out, White Noise Out
    • Sample and Hold: Clock Trigger In, Sample Signal In, S/H Out
    • Modulation VCA: Control Voltage In, Signal In, Signal Out
    • Manual Controller: Control Wheel Out, Momentary Switch
    • ESP: Signal In, AMP Out, BPF In, BPF Out, F-V CV Out, Envelope Out, Trigger Out
    • Others:
      • EXi Audio In, Mixer 1 In, Mixer 1 Out, Mixer 2 In, Mixer 2 Out
      • ESP (External Signal Processor)
      • Use incoming audio as a trigger and/or CV source.


    • Original DAR (Delay, Attack, Release) and HADSR (Hold, Attack, Decay, Sustain, Release) EGs 1 &2,
    • Original MG (with MIDI sync), Sample-and- Hold, MVCA,
    • KRONOS: 4 additional multi-stage Envelopes, 4 additional per-voice LFOs, and 4 AMS Mixers.

    PolysixEX Program


    • VCO:
      • Saw, Pulse, PWM
      • Sub Oscillator:
      • Off, 1 octave below, 2 octaves below


    • 24dB (4-Pole) Octave Low Pass self-resonant filter


    • Integrated Polysix Chorus, Phaser, and Ensemble


    • Integrated MIDI-synced arpeggiator, with adjustable Range, Mode, and Latch


    • Polysix: Original ADSR EG and MG (with MIDI sync).
    • KRONOS: 2 additional multi-stage Envelopes, 2 additional per-voice LFOs, and 4 AMS Mixers.


    • Number of Timbres, Master Keyboard Functionality: 16 Maximum
    • Keyboard and velocity splits, layers, and crossfades of up to 16 Programs and/or external MIDI Devices
    • The tone adjust parameter function lets you modify program settings, and the master keyboard function lets you control external MIDI devices
    • Advanced Vector Synthesis
    • Control oscillator volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope.


    • System: Assignable stereo/mono samples with 8 velocity zones per oscillator (with crossfade functions)

    Number of Programs/Combinations/Drum kits

    User Memory Programs: 2,560 (1,792 [896 HD-1+896 EXi] come preloaded)

    User Memory Combinations: 1,792 (512 come preloaded)

    User Memory Drum Kits: 264 (78 come preloaded) 256 GM Level2 preset programs + 9 GM Level 2 drum preset programs

    Set List

    • Number of Set Lists/Slots: 128 set lists, 128 slots per set list
    • Each set list provides a 9-band graphic EQ, and a Tone Adjust function that allows program settings to be adjusted.
    • Transpose setting.
    • Hold Time setting of Smooth Sound Transition (SST) supported for each slot.


    SystemOpen Sampling System (resampling, In-Track 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)


    • Direct sampling (ripping) from audio CD (CD-DA)


    • KORG format, AKAI S1000/S3000 data (with advanced Program parameter conversion); SoundFont 2.0, AIFF, and WAVE formats


    • Time Stretch, Time Slice, Crossfade Loop, and other standard editing features.


    • Insert Effects: 12
    • Stereo in / stereo out
    • Master Effects: 2
    • Stereo in / stereo out
    • Total Effects: 2
    • Stereo in / stereo out
    • Timbre: EQ One 3-band EQ for each timbre/track
    • 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)


    • KARMA Modules: One module in Program mode, four modules in Combination and Sequencer modes
    • Generated Effects: (GE) 2,048 presets, 1,536 Users (96 come Preload)
    • Controllers: On/Off, Latch, Chord, Assign, Module, Control, KARMA Realtime Control Sliders [1] – [8], KARMA Scene [1] – [8], KARMA Switches [1] – [8], KARMA Wave-Sequencing, GE Sub Category, Freeze Randomize, Time Signature Control, Tempo Synchronize, Auto RTC (Real Time Control) setup
    • Drum Track Patterns: 718 preset (common with the preset patterns of the MIDI sequencer) 1,000 user patterns
    • Patterns created in Sequencer mode can be converted to drum track user patterns.
    • Trigger Mode/Sync/Zone settings can be specified.


    • Tracks: 16-track MIDI sequencer + 16-track hard disk recorder + 1 master track.
    • Number of Songs: 200 songs
    • Resolution: 1/480
    • Tempo: 40.00 – 300.00 (1/100 BPM resolution)
    • Maximum Memory: 400,000 MIDI events or 300,000 audio events

    MIDI Tracks: 

    • 16 tracks plus the master track
    • 718 preset/100 user patterns (per song)
    • 18 preset/16 user template songs,

    Audio Tracks: 16-track playback, 4-track simultaneous recording, WAV file format 16bit/24bit.

    Other Functions: RPPR (Realtime Pattern Play and Record) (1 Pattern set per song), Auto Song Setup function


    • Disk Mode: Load, save, utility, audio CD burning, audio CD playback, data filer function (save/load MIDI System Exclusive data), CD-R/RW (UDF format read/write), ISO9660 Level 1.


    • Vector joystick, joystick, ribbon controller, switches 1 & 2
    • Control Surface:
    • Control Assign Switches:
    • Assigns the Control Surface to Timber/Track, Audio, External, Realtime Knobs/KARMA,
    • Tone Adjust/EQ
    • Mixer Knobs Switch:
    • Assigns the Mixer Knobs to either Channel Strip or Individual Pan, Reset Control Switch, Solo Switch, Knobs 1-8, Switches 1-8(Upper Row), Switches 1-8 (Lower Row), Sliders 1-8, Master Slider
    • KARMA Control:
    • On/Off, Latch, Module Control
    • On/Off

    Display: TouchView graphical user interface, 8 inch color TFT, SVGA (800x600 dots), adjustable brightness


    == Analog ==

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

    == Digital ==

    • S/P DIF:
    • Optical, 24-bit, IEC60958, EIAJCP-1201, Sample Rate: 48 kHz, (the same signals as L/MONO, R)
    • Digital output of the same signals as AUDIO OUTPUT (MAIN) L/MONO and R
    • USB-B:
    • 24-bit, Sample Rate: 48 kHz, 2 channels
    • (Digital output of the same signals as AUDIO OUTPUT (MAIN) L/MONO and R)


    == Analog ==

    • Audio Inputs 1 and 2:
    • 1/4" TRS Balanced
    • MIC/LINE input level switches, LEVEL knobs
    • Input Impedance: 10 kΩ
    • Nominal Level: LINE
    • +4 dBu (LEVEL knob = min), –36 dBu (LEVEL knob = max)
    • Nominal Level: MIC
    • –22 dBu (LEVEL knob = min), –62 dBu (LEVEL knob = max)
    • Maximum Level: LINE
    • +16 dBu (LEVEL knob = min), –24 dBu (LEVEL knob = max)
    • Maximum Level: MIC
    • -10 dBu (LEVEL knob = min), –50 dBu (LEVEL knob = max)
    • Source Impedance: 600 Ω
    • Signal to noise ratio: 95 dB (typical)
    • Dynamic range: 95 dB (typical)
    • Crosstalk: 95 dB, at 1 kHz (typical)

    == Digital ==

    • S/P DIF:
    • Optical, 24-bit, IEC60958, EIAJCP-1201, Sample Rate: 48 kHz
    • 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 A (TYPE A) x 2, For connection to external USB devices (QWERTY keyboards, MIDI controllers, ethernet adaptors, and storage)
    • USB B (TYPE B) x 1, MIDI/audio interface
    • MIDI: 1 (16 channel) input / 1 (16 channel) output
    • Audio: 2 channel input / 2 channel output
    • *5 USB high-speed ports (supports 480Mbps)

    Disk Drives: 

    • 60 GB SSD (2.5")
    • Optional installation of second internal SSD

    Power Consumption: 60W

    Dimensions:  (W x D x H): 73 key: 1,221 x 371 x 148 mm / 48.07" x 14.61" x 5.83"

    Weight:  73 key: 21.1 kg / 46.52 lbs.


    AC cord, Quick Start Guide, Accessory DVD Discs 1-3 (DVDs include KRONOS Operation Guide, Parameter Guide, and Voice Name List PDF files; Video Manual; KORG USB-MIDI Driver; System Restore Data, etc.)

    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)

    * All product, company, and standard names are trademarks or registered trademarks of their respective holders.
    * Appearance and specifications of products are subject to change without notice.
    * The color of the actual instrument may differ slightly from the image shown here.
    * Since natural wood is used in the side panels of this instrument, there will be individual differences in the grain and figuration of the wood.


    Be the first to review this product!