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Korg | X50


The X50 Music Synthesizer features Korg’s acclaimed HI (Hyper Integrated) synthesis system. The HI (Hyper Integrated) synthesis system is a PCM tone generator system with extensive modulation and effect routing capabilities, as well as full digital signal processing that guarantees a rich, pristine sound.

Tone generator section:

64 MB of preset PCM ROM containing 470 multisamples and 518 drumsamples.
The sampling frequency is 48 kHz, and the maximum polyphony is 62 voices.

Filter/synthesis section: 24 dB/oct Low Pass Resonance type or 12 dB/oct Low Pass & High Pass type filters can be
used. A wide variety of filter effects can be achieved, from active sounds with aggressive resonance to subtle tones using a high pass filter.
A broad range of editing parameters gives you control over every aspect of the sound.

Effect section:

One insert effect (stereo-in/stereo-out), two master effects (mono-in/stereo-out), and a three-band master EQ (stereo-in/stereo-out) can all be used simultaneously. You can select from 89 types of effect algorithms, and edit them.Highly flexible effect routing is possible. Effects can also be routed freely to the individual outputs. 

Alternate Modulation and Effect Dynamic Modulation: The synthesis section (filter etc.) provides Alternate Modulation functionality, and the effect section provides Effect Dynamic Modulation functionality. This allows you to freely apply modulation to parameters that affect the pitch, filter, amp, EG, LFO, effects etc. LFO and delay time parameters can be synchronized to MIDI clock/tempo. You can synchronize sounds or effects to the tempo of the sequencer or the arpeggiator. 

A great selection of 512 programs

In the Program mode, the X50 provides 512 user programs, plus 128 programs + 9 drum sets for GM compatibility. When shipped from the factory, it is loaded with high-quality programs that cover a wide range of musical needs. 

Programs using multisamples that provide a broad range of sounds

Based on 470 different multisamples that deliver a broad range of sounds ranging from acoustic instruments such as piano, guitar, and trumpet, to synthesizer sounds or sound effects (oscillator), the preset programs provide a rich variety of editable parameters (filter and amp), effects, and

Drum programs that support any style of rhythm part

Based on 40 user drum kits and nine GM2-compatible ROM drum kits, and taking full advantage of numerous editable parameters, effects, and
arpeggiators, the X50 provides a great selection of preset programs for any style of music. The drum kits that are the basis of each drum program allow you to freely map any of the 518 drum or percussion sounds to each note of the keyboard. You can also create your own drum kits, and even specify filter and amp settings, effect settings, and individual audio output routings for each separate key.

384 different combinations let you freely combine programs The X50 provides 384 user combinations. The factory settings contain a wide variety of Preloaded combinations. A combination allows you to use layers, splits, or velocity switching etc. to combine up to eight programs together with the effects and the two arpeggiators, in order to create complex sounds that could not be produced by a program. You can also create combis that include external tone generators.

Effects that can creatively manipulate the sound or generate subtle ambiance The X50’s effects can be used in many ways, ranging from manipulating the sound dramatically to creating spacious reverberation. (☞p.9 “Highquality sound featuring the HI synthesis system”)

4 channel audio outputs

In addition to the (MAIN OUTPUT) L/MONO and R main stereo audio outputs, X50 provides two individual audio outputs, for a total of four channels of audio output. The sound from each oscillator, drum, timbre/track, or insert effect can be routed freely to any output.

Multi mode plays multiple tracks of data from an external sequencer

In Multi mode, the X50 can operate as a 16-track MIDI multi-timbral sound module, receiving multiple tracks of performance data from an external sequencer or similar device. Since you can use the effects and the two arpeggiators as well, the X50 will also function as a more advanced sound module. You can create, save and recall numerous Multi sets in the X50 and it also supports GM (General MIDI System Level 1), making it easy to use as a sound module for a desktop music system.

Dual polyphonic arpeggiator

Five preset arpeggio patterns (UP, DOWN, ALT1 ALT2, RANDOM) and 251 user arpeggio patterns are provided. With the factory settings, these contain a wide variety of preload arpeggio patterns

In addition to providing conventional arpeggiator functions, the polyphonic arpeggiator of the X50 can respond to the pitches or timing of your keyboard playing, and produce a diverse range of chords or phrases. This can be used to play a variety of drum phrases, bass phrases, or guitar and keyboard backing riffs. The arpeggiator is also effective for use with subtly moving pads, synth sounds, or sound effects.

In Combination mode, and Multi mode, the X50 provides dual polyphonic arpeggiators that can simultaneously play two arpeggio patterns. You can apply separate arpeggio patterns to drum and bass programs, or use keyboard splits or velocity to switch between arpeggio patterns for an even more dynamic performance.

Direct USB connection to your computer

The X50 provides a convenient USB connector that allows single-cable connection to your computer, without requiring a MIDI interface or MIDI connectors. The X50 supports Windows XP and Macintosh OS X 10.3 or later. 

X50 Plug-In Editor supports editing from within your DAW software The “X50 Editor” is a stand-alone program that lets you edit the X50 from your Macintosh or Windows computer.

On the other hand, the “X50 Plug-In Editor” lets you edit the X50 as a plug-in instrument from within a host application such as DAW (Digital Audio Workstation) software. It supports VST, Audio Units, and RTAS formats. Both editors are included with your X50.
Engine TypeDigital
Voices (max)62
Engine DetailedHI synthesis system; 48 kHz sampling frequency, 64 Mbyte PCM ROM, 425 multi-samples + 413 drum samples
Sampler16 bit, 48 kHz stereo/mono sampling, 16 MB memory standard, expandable to 64 MB. Maximum of 1,000 multi-samples / 4,000 samples. Up to 128 samples can be assigned to a multi-sample. AIFF, WAVE, AKAI (S1000/S3000) and Trinity sample data can be loaded. (Triton cannot load Trinity format data from TFD-1S, TFD-2S, TFD-3S and TFD-4S , since they use data-compressed data.) If EXB-SMPL sampling board is installed.
FX102 (insert effects/ 89 for master effects); Stereo digital multi-effect system - 2 master effects (mono in, stereo out), 1 insert effects (stereo in / out), and 1 master EQ (stereo in / out) simultaneously
SequencerRPPR (Realtime Pattern Play / Recording): 1 set with 72 patterns available per song.
ArpeggiatorArpeggiator: 5 preset patterns and 232 patterns (approx. 180 preset)
Key typeKeys
MidiI-O-T, USB
Produced:2007 - 2007
Legend: Obvious Y: Yes, N: No, N/A: Not Applicable
VCO Voltage Controlled Oscillator DCO Digital Controlled Oscillator
LFO Low Frequency Oscillator Sub Sub Oscillator
VCF Voltage Controlled Filter VCA Voltage Controlled Amplifier
Velocity As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. Aftertouch Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.

Manuals, patches etc.


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