Overview
- Synthesis Technology: EDS (Enhanced Definition Synthesis)

Tone Generator:
- 256 MB (when converted to 16-bit linear format)
- 1,077 Multisamples
- 1,609 Drum Samples

Maximum Polyphony:
- 80 voices, 80 oscillators max, single mode
- 40 voices, 80 oscillators max, double mode*

* The actual maximum polyphony will vary depending on oscillator settings such as stereo multisamples and velocity crossfading.

Sounds
- Programs: 640 total locations, 608 preloaded
- Combinations: 512 total locations, 384 preloaded
- Drumkits: 48 total locations, 32 preloaded
- GM: 256 GM2 programs, 9 GM2 drum kits

Program Structure EDS
- Oscillator: OSC1 (Single), OSC1+2 (Double)
- Stereo multisamples are supported
- 4 velocity zones per oscillator, with switching, crossfades and layers.

Filters:
- Four types of filter routing (single, serial, parallel, 24 dB)
- Two multi-mode filters per voice (low pass, high pass, band pass, band reject)

- Driver: Per-voice nonlinear driver and low boost
- EQ: Three bands, with sweepable mid

Modulation:
- For each voice: two envelope generators (Filter & Amp)
- Two LFOs
- Two key tracking generators (Filter & Amp)
- Two AMS mixers
- Pitch EG
- Common LFO
- Two common key tracking generators

Combination Structure
- Up to sixteen timbres
- For each Timbre: keyboard and velocity split/layer/crossfade
- INT, OFF, EXT and EX2 MIDI status settings
- 3-band EQ with sweepable mid
- Pitch/Transpose
- Use OSC1, 2 or Both
- Force Osc Mode (PRG, MONO, LEGATO, POLY)
- Portamento and Bend range settings
- Controller filters
- Modifications to the program settings via the Tone Adjust function

Drum Kit Structure
- Stereo and mono drum samples
- 4-way velocity switches with crossfades and adjustable crossfade shapes (Linear, Power, Layer)
- Exclusive keygroups
- Per key 3-band EQ, Drive, Lo Boost, filter and level offsets

Effects
- 5 Insert Effects (stereo in/out), 2 Master Effects (stereo in/out), 1 Total Effect (stereo in/out) are available simultaneously
- 2 effect control busses, 2 effect common LFOs
- 170 types (can be used for Insert/Master/Total.) Note: double-size effects cannot be used as a Total effect.
- Effects Presets: Up to 32 per Effect
- 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 (16

total)

Sequencer
- 16-track MIDI sequencer with 480 ppq resolution
- 128 Songs, 20 Cue Lists, 210,000 notes (max)
- Tempo: 40.00 - 300.00 BPM (1/100 resolution)
- 16 preset/16 user Template Songs
- 522 preset patterns, 100 user patterns (per Song)
- Cue List function: 20 cue lists, Songs can be arranged consecutively or repeatedly in up to 99 steps, A cue list can be converted back into a song
- Standard MIDI File (SMF) format 0 and 1 available
- Auto Song Setup function (One Touch Record) for easily going from a Program or Combination into "record-ready" status

Dual Polyphonic Arpeggiator
- Two arpeggiators, useable simultaneously (Combination, Sequencer modes)
- 5 preset arpeggio patterns; 216 user arpeggio patterns (200 preloaded)
- RPPR (Realtime Pattern Play/Recording) A set of 100 patterns are available per Song

Drum Track
- 671 preset patterns/1,000 user patterns
- Patterns created in Sequencer mode can be converted to drum track user patterns
- Trigger Mode (Immediate, Wait for Keyboard), Sync (On, Off) and Zone (Key and Velocity) settings can be specified.
- Program selection, 3-band EQ and effect bussing available

Audio Outputs
- L/MONO, R - 1/4 in. TS (Mono), unbalanced
- Headphones - 1/4" TRS (Stereo), Output Impedance: 33 Ohms, Maximum Level: 32+ 32 mW @33 Ohms

Interface
- MIDI: IN, OUT, THRU
- Computer: USB type B connector (for MIDI interface, USB 2.0 supported)

System Requirements
- Computer with the KORG USB-MIDI Driver
- Windows: Microsoft Windows XP Home Edition/Professional Service Pack 2 or later (MIDI Driver for the 64-bit editions is a Beta version), all editions of

Microsoft Windows Vista (MIDI Driver for the 64-bit editions is a Beta version), computer supports Windows XP/Vista with USB port (Intel USB Host Controller

recommended).
- Macintosh: Mac OS X 10.3.9 or later, Apple Macintosh with USB ports supports Mac OS X 10.3.9 (PowerPC/Intel-based supported).
- Please use the latest Korg USB/MIDI driver.

M50 Editor/Plug-In Editor:
- Windows: Windows XP Home Edition / Professional Service Pack 2 or later, Intel Pentium III/1 GHz or faster, 512 Mbyte or larger memory (1 Gbyte or larger

recommended.)
- Macintosh: Mac OS X 10.4 or later, G4/800 MHz or faster (Intel-based Mac supported, G5 and/or Core Duo recommended), 512 Mbyte or larger memory (1 Gbyte or

larger recommended)

Options
- XVP-10: EXP/VOL Pedal
- EXP-2: Foot Controller
- DS-1H: Damper Pedal (supports half-damping)
- PS-1: Pedal Switch

General
- Keyboard: 61-key, 73-key versions use a new semi-weighted Natural Touch keyboard
- 88-key weighted action (RH3: Real Weighted Hammer Action 3 keyboard with 4-zone graded action response)
- Controllers: Joystick, [SW1], [SW2]
- Display: 5.7 inch TouchView(TM) GUI, 320 x 240 dot
- Control Inputs: Damper Pedal (half damper pedaling supported), Assignable Switch, Assignable Pedal
- Common specifications: Frequency response: 20 Hz-20 kHz, +/-1.0 dB, 10 k Ohms load
- THD+N: 20 Hz-20 kHz, 0.08 % 10 k Ohms load (typical)

Included Accessories: Three-Pronged IECC13 Power Cable (Model D8B5518003B), Owner's Manual (M50 Operation Guide), CD-ROM (M50 Parameter Guide (PDF), Voice Name

List (PDF), KORG MIDI driver, M50 Editor stand alone and plug-in versions

Dimensions
- M50-61 (WxDxH): 40.43 x 7.47 x 4.17 in.
- M50-88 (WxDxH):55.47 x 12.91 x 5.94 in.

Weight
- M50-61: 14.9 lbs
- M50-88: 45.86 lbs
- Current Consumption: 35 Watts