Keyboard : Natural Touch Semi WeightedSYNTHESIS TYPES9
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 POLYPHONYSGX-2: 100 voices
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 voicesPreset PCM : 314 MB (ROM 1,505 Multisamples, 1,388 Drumsamples)BUILD-IN EXPANSION PCM LIBRARIESEXs1 - 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 CollectionsNUMBER 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 devicesADVANCED VECTOR SYNTHESISControl oscillator volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope.DRUMKITSystem : Assignable stereo/mono samples with 8 velocity zones per oscillator (with crossfade functions)NUMBER OF PROGRAMS/COMBINATIONS/DRUM KITSUser 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 programsSET LISTNumber 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.SAMPLINGSystem : Open Sampling System (resampling, In-Track sampling)Bit Depth/Sampling Frequency : RAM = 16-bit/48 kHz stereo/mono sampling; DISK = 16 or 24-bit/48 kHzSampling 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)Ripping : Direct sampling (ripping) from audio CD (CD-DA)Formats : KORG format, AKAI S1000/S3000 data (with advanced Program parameter conversion); SoundFont 2.0, AIFF, and WAVE formatsEditing : Time Stretch, Time Slice, Crossfade Loop, and other standard editing features. EFFECTSInsert 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) KARMAKARMA 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) setupDrum 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.SEQUENCER/HDRTracks : 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 functionGENERALDisk 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 1Controllers:
- Vector joystick, joystick, ribbon controller, switches 1 & 2
- 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
- RUM TRACK : On/OffDisplay : TouchView graphical user interface, 8 inch color TFT, SVGA (800x600 dots), adjustable brightnessOutputs :== 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 Balanced
- Output 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)INPUTS== 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 channelsControl Inputs : Damper pedal (half damper supported), assignable switch, assignable pedal
MIDI : In, Out, Thru
USB :
- 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 outputDisk Drives : 60 GB SSD (2.5”)
Power Consumption : 60WAccessories : 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 SPECIFICATIONSFrequency 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)
Dimensions (W x D x H) : 1,040 x 364 x 134 mm / 40.94” x 14.33” x 5.28”Weight : 31.5 lbs / 14.3 kg