Follow KORG UK on Twitter Watch the latest KORG UK videos on YouTube View the latest KORG UK photos on Flickr
KORG OASYS

KORG M50 Specification

Return to Main Product Page

OASYS Music Workstation Specifications

 

OASYS System Version 1.3 Specifications
OA (Open Architecture) Synthesis System
Keyboard
OASYS 88: 88-key Real Weighted Hammer Action (RH2)

* The key weight of the RH2 keyboard differs in four stages across the pitch range (with low notes being heavier, and high notes being lighter), delivering a playing feel similar to that of grand piano.

OASYS 76: 76-key synth-action

Sound Engine
Synthesis Types
HD-1 (High Definition Synthesizer)
EXi:
AL-1 (Analog Synthesizer)
CX-3 (Tonewheel Organ)
STR-1 (Plucked String)
MS-20EX (CMT Modeled Analog Synthesizer)
PolysixEX (CMT Modeled Analog Synthesizer)
MOD-7 (MOD-7 Waveshaping VPM Synthesizer)
Maximum Polyphony
Maximum polyphony varies depending on the synthesis type, as shown below. The actual polyphony will vary depending on the synthesis types and effects being used; all numbers shown are the maximum, without effects.

HD-1: 172 voices
AL-1: 96 voices
CX-3: 172 voices
STR-1: 48 voices
MS-20EX: 48 voices
PolysixEX: 172 voices
MOD-7: 52 voices

Dynamic voice allocation between synthesis types: exclusive system intelligently allocates resources as necessary, so that the user does not need to specify fixed numbers of voices for each type.

Tone Generator
Number of Programs/Combinations/Drumkits
1,664 user memory programs (896 (640 PCM+256EXi) come preloaded)
1,792 user memory combinations (384 come preloaded)
152 user memory drumkit (40 come preloaded)
256 GM Level2 preset programs+ 9 GM Level2 drum preset programs
Preset PCM
314MB (1,505 multisamples, 1,388 drum samples)
Bundled EXs PCM Libraries
284 MB: ROM Expansion EXs-1 (229 Multisamples and 1,483 Drum Samples), 464 MB: Concert Grand EXs-2 (10 Multisamples)

Capacity of PCM RAM

500MB
The amount of PCM RAM will change depending on how you use the included EXs, system software, and options.

Wave Sequences
User Memory:
374 Wave Sequences

Preload:
150 Wave Sequences * New Wave Sequence features include support for stereo multisamples, enhanced tempo synchronization, real-time modulation, dual AMS outputs per step, crossfade shapes, and more.

HD-1 Programs
Advanced Vector Synthesis
Control oscillator volumes, synth parameters, effect parameters via the Vector joystick and the tempo-synced Vector Envelope
Structure
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 filters, EGs, LFOs, etc.
Oscillators
4 velocity zones per oscillator, with switching, crossfades and layering. Each zone can play mono or stereo Multisamples or Wave Sequences.
Filters
Two multi-mode filters per voice; (low-pass, high-pass, band-pass and band-reject) four-mode filter routings (single, serial, parallel and 24dB mode)
Driver
Per voice non-linear driver and low boost circuit
EQ
Three bands, with sweepable mid-range
Modulation
Three envelope generators, two LFOs per voice, common LFO, four key tracking generators, AMS (Alternate Modulation Source); modulate a large number of synthesis parameters via LFOs, Envelopes, and real-time controllers. Two AMS Mixers - combine and process AMS sources. Add, multiply, smooth, quantize, and more.
Drumkit
Supports both stereo/ and mono drum samples, four-stage velocity switch/crossfade

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: 32-step sequencer with smoothing, adjustable step duration, and tempo synchronization. AMS (Alternate Modulation Source); modulate a large number of synthesis parameters via LFOs, Envelopes, and real-time controllers, Common LFO, 2 Key Tracking Generators.
EQ
Three bands, (with sweepable mid)

AL-1 Analog Synthesizer
Oscillators
New design ultra-low-aliasing oscillators OSC1, OSC2, Sub-oscillator and noise generator; ring modulation, FM, and Sync
Audio Input
Run real-time audio through the synthesis engine, including ring mod, filters, drive circuit, amp, and EQ
Filters
Two multi-mode filter (low-pass, high-pass, band-pass and band-reject) with four types of filter routings (single, serial, parallel and 24dB mode),

MultiFilter mode (only Filter-A; modulateable 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 Key Tracking generators, and two AMS Mixers.
Per-voice Step Sequencer: 32-step sequencer with smoothing, adjustable step duration, and tempo synchronization.

CX-3 Tonewheel Organ
Tonewheel Organ Modeling
A further evolution of Korg\'s acclaimed CX-3. 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 Plucked String
Physically Modeled String
Includes physically modeled damping, decay, dispersion, nonlinearity, harmonics, dual pickups, and more. Almost all string parameters may be modulated in real-time, for unsurpassed creative and expressive control.
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 lowpass filter.
PCM Oscillator
Korg’s ultra-low-aliasing technology, as introduced in the HD-1. 4 velocity zones per oscillator. Uses any mono ROM, EXs, or RAM multisamples. PCM can either be used as an excitation signal, or layered with the output of the string.
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 modulatable instrument-to-amp distance and orientation.
Filters
Dual multi-mode filters per voice; Single, Serial, Parallel (with split stereo output), and 24dB (4-pole) configurations. Low Pass, High 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.
Modulation
5 Envelopes, 4 per-voice LFOs, 2 Key Track generators, String Tracking generators, 4 AMS Mixers.

MS-20EX (Optional)
CMT Modeling
Uses Korg’s CMT modeling, reproducing not only the sound but also the character and response curve of each parameter in a way that is completely faithful to the original model.
Oscillators
Ultra-low-aliasing oscillators; VCO1, VCO2, Ring Mod, Pink and White Noise Generator
Audio Input
Run real-time audio through the synthesis engine and External Signal Processor
Filters
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.
New features, compared to the original MS-20
New patch points: VCO1 & 2 outputs, HPF input, LPF input and output, VCA input, EXi Audio Input, BPF input, Mixers 1 &2 inputs and outputs. Dual 2-in, 1-out mixers for scaling and merging audio and/or modulation signals, fully modulatable, with phase inversion. Patch “mults:” connect one output to many inputs.
ESP (External Signal Processor)
Use incoming audio as a trigger and/or CV source.
Modulation
Original DAR and HADSR EGs 1 & 2, original MG (updated with MIDI sync), Sample-and-Hold, MVCA. 4 additional multi-stage Envelopes, 4 additional per-voice LFOs, and 4 AMS Mixers.

PolysixEX (Optional)
CMT Modeling
Uses Korg’s CMT modeling, reproducing not only the sound but also the character and response curve of each parameter in a way that is completely faithful to the original model.
Oscillators
VCO: Saw, Pulse, PWM. Sub Oscillator: Off, 1 octave below, 2 octaves below
Filter
24dB/octave Low Pass self-resonant filter.
Effects
Integrated Polysix Chorus, Phase, and Ensemble.
Arpeggiator
Integrated MIDI-synced arpeggiator, with adjustable Range, Mode, and Latch.
Modulation
Original ADSR EG and MG (updated with MIDI sync). 2 additional multi-stage Envelopes, 2 additional per-voice LFOs, and 4 AMS Mixers.

MOD-7 (Optional)
Waveshaping VPM Synthesizer
Combines Variable Phase Modulation (VPM), waveshaping ring modulation, PCM sample playback, and subtractive synthesis.
Oscillators
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 ROM, EXs, or RAM multisamples. PCM can be used as an FM modulator and/or layered with the VPM Oscillators. Noise generator with saturation and dedicated low pass filter.

Audio input
Run real-time audio through the VPM Oscillators and filters.
Filters
Dual multi-mode filters per voice. Parallel and 24 dB (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.
Patch Panel
Supports both 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.
Modulation
10 Envelopes, 4 per-voice LFOs, 9 Key Tracking generators, Per-voice Step Sequencer, 4 standard AMS Mixers plus 4 simple AMS Mixers.

Combinations
16 Timbres, Master Keyboard functionality
Keyboard and velocity splits, layers, and crossfades of up to 16 Programs and/or external MIDI devices.
Advanced Vector Synthesis
Control Timbre volumes and synthesis & effects parameters via the Vector Joystick and the tempo-synchronized Vector Envelope
Number of Combinations, Programs, and Drum Kits
User Combinations: 1,792 Combinations/384 Preload
User Programs: 1,664 Programs/1,290 Preload
(650 PCM + 640 EXi)
User Drum Kits: 152 Drum Kits/40 Preload
General MIDI 2 Programs: 256 GM2 Programs
General MIDI 2 Drum Programs: 9 GM2 Drum Programs.

Sampling
Open Sampling System (Resampling, In-Track Sampling), 16bit/48kHz: Stereo/Mono Sampling

Sampling Time: RAM: Maximum sampling time depends on the amount of RAM memory (see “PCM RAM). In the case of 500 MB, approximately 93 minutes of monaural or 46 minutes 30 seconds of stereo sampling is possible. DISK: Maximum sampling time to the internal hard disk is approximately 80 minutes per sample file, for either mono or stereo. This will use approximately 440 MB for monaural or 879 MB for stereo.

Number of Samples/Multisamples: 4,000 Samples/1,000 Multisamples (Max. 128 indexes per Multisample). Sample directly from audio CDs (CD-DA). Load AKAI S1000/3000(with advanced Program conversion), KORG format, AIFF, and WAVE sample data. Time Stretch, Time Slice, Crossfade Loop, and other standard editing features.

Effects

12 Insert Effects: In-line processing; stereo in – stereo out.

2 Master Effects: Two effects sends; stereo in – stereo out.

2 Total Effects: For overall processing on the main outputs, such as compression, limiting, and EQ; stereo in – stereo out.

3-Band Track EQ: High, low, and sweepable mid band. Per Program in Program Mode, per Timbre in Combination Mode (16 total), and per Track in Sequencer Mode (32 total).

185 Different Effects Types: Any Effect type may be used for Insert, Master, or Total Effects.

Dynamic Modulation: Real-time control of effects parameters

Common LFO: Synchronized LFO modulation of multiple effects.

Effects Control Bus: Stereo side-chaining for compressors, gates, vocoders, etc.

Effects Presets: Up to 32 per Effect.

KARMA
KARMA Modules
One module in Program mode (one control layer);
four modules in Combination and Sequencer modes (five control layers) independent, programmable real-time control settings for each Module.
Generated Effects (GE)
2,048 presets. 32 real-time parameters per GE.
13 RTC (Real Time Controller) Models provide more consistent control of KARMA parameters
Controllers
ON/OFF, LATCH, CHORD, ASSIGN, MODULE, CONTROL, KARMA REALTIME CONTROL SLIDERS [1] – [8], KARMA SCENE [1] – [8], KARMA SWITCHES [1] – [8], (all other physical controllers can be used as KARMA control sources ); KARMA Waveform Control (change Multisamples via the KARMA engine), GE Sub-Categories, Free Randomize function, Time Signature Control, Tempo synchronization, Auto RTC (Real Time Control) setup.

Sequencer/HDR
Tracks
16-track MIDI sequencer + 16-track hard disk recorder + master track.
Number of Songs
200 songs
Resolution
1/192 ppq (parts per quarter note)
Tempo
40.00 – 240.00 (1/100 BPM resolution)
Maximum memory
400,000 MIDI events or 300,000 audio events
MIDI Tracks
16 tracks plus the master track
150 preset/100 user patterns (per song)
16 preset/16 user template songs,
Format: Korg (OASYS) format, SMF formats 0 and 1.

Audio Tracks
16-track playback, 4-track simultaneous recording; WAV file format. Maximum single-file recording time (mono): 80 minutes

Automation: Volume, Pan, EQ, and Send1/2. 5,000 regions (max.), Event Anchors, BPM Adjust.
RPPR (Realtime Pattern Play and Record)
1 Pattern set per song.

Controllers

Performance Controllers:
Vector joystick, joystick, ribbon controller, switches 1 & 2.

Pads 1-8:
Velocity-sensitive drum pads and chord triggers.

Control Surface
CONTROL ASSIGN Switches
Assigns the Control Surface to TIMBRE/TRACK, AUDIO, EXTERNAL, R.TIME KNOBS/KARMA, or TONE ADJUST.
MIXER KNOBS Switch
Assigns the Mixer Knobs to either CHANNEL STRIP or INDIVIDUAL PAN.
Knobs 1-8 (with LED value indicators) Channel Strip, Individual Pan, External MIDI, Realtime modulation, Tone Adjust.
Switches 1-8 (Upper Row) Play/Mute, External MIDI, KARMA Scenes, Tone Adjust.
Switches 1-8 (Lower Row) Select/Solo, External MIDI, KARMA Switches, Tone Adjust.
Sliders 1-8 (with LED value indicators)Volume, External MIDI, KARMA Control, Tone Adjust.
Master Slider (with LED value indicator) Volume, External MIDI, Tone Adjust.
KARMA Controller Section:
Switches = ON/OFF, LATCH, CHORD ASSIGN, MODULE CONTROL.
Disk Mode
Load, save, utility, audio CD burning, audio CD playback, data filer function (save/load MIDI System Exclusive data),CDs (UDF format read/write), ISO9660 Level 1.
Display
TouchView graphical user interface, 10.4 inch TFT, 640x480 dots, adjustable angle.

Audio Connections

All inputs and outputs are 24-bit.
Outputs
Main Outputs (L/MONO, R): 1/4” Unbalanced; 1.1k Ohm Stereo; 550 Ohm Mono (L/MONO Only)
Individual 1-8:
Max. output level: less than +18.5dBu (when load impedance is 100k Ohm)
Headphones: 1/4” stereo phone jack, output impedance: 33 Ohm max. level: 72mW (when load impedance is 33 Ohm),
S/P DIF: Optical, 24-bit, IEC60958, EIAJCP-1201, 48kHz or 96kHz
Inputs
Audio Inputs 1 and 2: XLR-1/4” phone combi jacks (balanced), MIC/LINE switches, level control knobs, phantom power switches,
input impedance: 10kOhm,
source impedance: 600Ù
Nominal levels: +4dBu to – 36.5dBu (LINE, level control knob=min. to max.),
-19.5dBu to – 62dBu (MIC, level control knob=min. to max.),
Maximum levels: +16dBu to – 24.5dBu (LINE, level control knob=min. to max.), -7.5dBu to – 50dBu (MIC, level control knob=min. to max.),
Audio Inputs 3 and 4: 1/4” phone jacks (unbalanced), input impedance: 10kOhm;
max. level: +16dBu,
source impedance: 600 ohm
S/P DIF: Optical, 24-bit, IEC60958, EIAJCP-1201, 48kHz or 96kHz
Control Inputs
Damper pedal (half damper supported), assignable switch, assignable pedal

MIDI & USB Interface
MIDI
In, Out, Thru
USB Interface
Four high-speed USB 2.0 A connectors (for external USB devices)
Disk Drives
2.5", 40GB Hard Drive,
CD-R/RW

Size, Weight and Power
Power Consumption
130 Watts
Dimensions
76-key: 49.84” (W) x 19.06” (D) x 5.31” (H)
1,266 (W) x 484 (D) x 135 (H) mm

88-key: 57.40” (W)x 19.06” (D) x 5.31” (H)
1,458 (W) x 484 (D) x 135 (H) mm
Weight
76-key: 56.44 lbs / 25.6 kg.
88-key: 70.99 lbs / 32.2 kg.

Accessories & Options
Included Accessories
CD-ROM for data restoration, Three-Pronged IECC13 Power Cable
(Model D8B5518003B)

Options

LAC-1 Legacy Analog Collection (MS-20EX & PolysixEX)
MOD-7 Waveshaping VPM Synthesizer
EXs-3 Brass and Woodwinds
XVP-10 Expression/Volume Pedal
EXP-2 Foot Controller
DS-1H Damper Pedal
PS-1 Foot Switch
KARMA OASYS Software (available separately from www.karma-lab.com)
*Appearance and specifications of this product are subject to change without notice.
*KARMA®(Kay Algorithmic Realtime Music Architecture) and the KARMA Logo are registered trademarks representing patented technology licensed from Stephen Kay, Karma Lab LLC, www.karma-lab.com

* Sound processed with INFINITY.
* Specifications and features are subject to change without notice.
*ADAT is a registered trademark of Alesis Corp.
*KARMA(R) (Kay Algorithmic Realtime Music Architecture) and the KARMA Logo are registered trademarks representing patented technology from Stephen Kay, Karma Lab LLC, www.karma-lab.com.

 



* Appearance and specifications of these products are subject to change without notice.

OASYS Audio Demos

Demo Songs
Ben's Brains for Joe Z. (Mp3, 8.5 Mb)
Ben's Brains uses the HD-1, CX-3, AL-1 and STR-1 engines.

by Ben Dowling
www.bendowling.com
© 2007 Visionsound Music
www.visionsound.com

All rights reserved


Red Square Sinfonietta (mp3, 5.51MB)
by Peter Schwartz
(c) 2005 Peter Schwartz
all rights reserved

This demo blends real instruments with onboard OASYS sounds to show the benefits of using both MIDI and audio recording. The audio tracks are the piccolo, flute, alto flute, oboe, english horn and viola.

Love Embraces All (mp3, 6.10MB)
by Ben Dowling
www.bendowling.com
© 2007 Visionsound Music
www.visionsound.com

All rights reserved


Teknosis (mp3, 11.3MB)
by Peter Schwartz
(c) 2005 Peter Schwartz
all rights reserved

All parts are internal OASYS sounds.

Heaven (320 bitrate) (15.1 MB, mp3)
by Andreas Gundlach
(c) 2006 Andreas Gundlach
all rights reserved

This demo is part of a CD released in Germany by Korg & More to showcase the OASYS. Everything on the demo came from a single OASYS. It is presented in two resolutions in consideration for your Internet connection speed. For the lower resolution version (192 bitrate), click here (mp3, 8.66MB).

A few production notes:

The piano is the EXs-2 Piano (503 MB), slightly edited to suit Andreas’ touch (velocity curve) and taste (filter response).

The drums were played live into the sequencer from the EXs-1 Studio-Standard Kit (I-E 004), again edited slightly to match how Andreas likes to map drum sounds for playing live (some small mistakes were edited out later, of course!).

The percussion part in the middle was generated by KARMA, then resampled and laid back into the track as an audio loop.

For more info (in German) about the CD, click here.

 

More Audio Demos at

www.korg.com/oasys

 

OASYS Video Demos

All video demos are available here

www.korg.com/oasys

 

 

OASYS Support Documents

 

Please visit www.korguksupport.co.uk