The Korg opsix MKII is a digital synth like no other. Based on the sound engine of the original opsix, the number of simultaneous voices and voicings has been expanded to an astounding 64 voices. The result is superior performance and precise control.

The opsix Operator Mixer simplified FM synthesis for the first time, making it not just comprehensible but also controllable. With the addition of extra synthesis capabilities and programming, it offered a more efficient workflow and an even richer sound. And, it is fully compatible with the sounds and samples from both the original opsix and the opsix Native software, including numerous high-quality libraries.
EVOLVED TO AN ASTOUNDING 64 VOICES

The opsix MKII has 64 voices, twice as many as the original 32 voices, allowing users to enjoy tone editing without having to worry about the number of simultaneous voices. In addition, the operator-mixer section, the most distinctive feature of this product, has been accented with a new image color, green.
GET ILLUMINATED WITH THE OPERATOR MIXER

At the heart of every sound is opsix MKII’s Operator Mixer – a simple set of six faders and knobs that invite exploration. Each part lights up red to indicate carriers or blue for modulators. Manipulating them opens up new sound-shaping possibilities to breathe fresh life into your musical ideas. This straightforward, hands-on workflow is part of what makes opsix MKII so unique, just like the sounds it offers.
DIRECT HANDS-ON CONTROL

Whether you’re tweaking a preset or building a patch from the ground up, the six data entry knobs on the right give you quick access to the parameters you need and seamlessly sync with the large OLED display, giving you a clear, focused direction to your workflow. Coupled with the mixer, it makes creating fresh sounds super easy and, most importantly, fun!

Select from a full range of analog-style filters, from the radical Korg MS-20 low-pass/high-pass filter to the powerful yet smooth KORG Polysix low-pass filter that gives your sound a vintage feel. There are also two or four-pole low-pass, high-pass, band-pass, and band-reject filters with resonance.

There’s even a built-in spectrum analyzer and oscilloscope that gives you visual feedback via the screen on the music you’re making.
SIX IN ONE SYNTHESIS

The core of opsix MKII is nothing short of exponential. Since waveforms can be arranged and modulated in nearly infinite ways, opsix MKII can easily do the sonic work that is similar to numerous types of synthesis:

Subtractive: Removing parts of the sound to get the sound you want; the most widely-used synthesis. opsix MKII uses up to six envelopes and multi-modeled filters to achieve many cutting-edge and classical analog synthesis tones.
Semi-Modular: Rerouting signal paths to change the sound. A spin through the Alogorithm section will dramatically reshape the sound by changing how the signal routing between the operators work together, and no patch cables are needed.
Analog (Modeling): Analog-style controls and plenty of stackable waveforms take you from digital to analog-sounding in no time. Enjoy deep basses, crisp leads, thick pad sounds, fuzzy brass tones, and so much more.
Waveshaping: Adding intentional distortion to the waveforms to achieve aggressive overtones that are either harmonic or inharmonic. This will help you achieve gritty, bitey tones dripping with character.
Additive: Stacking waveforms and blending their harmonics is key to an expansive range of harmonious, dissonant, and tension-driven sounds. With six operators available, the complete FM experience is possible, including the ability to go back in time for classic sounds you have heard throughout recording history.
Classic FM: Last but certainly not least, opsix’s highly flexible and powerful architecture starts with true six-Operator FM. As a result, it easily delivers signature sounds you have surely heard on thousands of hits from the ‘80s on through today, and with far more polyphony than other standalone FM synths available today.

With all of these ways to realize and explore sounds, opsix MKII is uniquely suited as a “future-modern-classic” synth!
ALTERED REALITY

What started as a legacy synthesis has evolved into something completely different. opsix MKII is FM-based, but the similarities to the classic synthesis end there. The Altered FM architecture delivers sounds across a vast spectrum, far wider than any single synthesis has been able to cover before, thanks to new sound components; new waveforms, filters, shaping, effects, LFOs, envelopes, modulations, and more, all translating to its broad assortment of sounds.

MPN: Opsix MKII

• Keyboard: 37 keys (velocity and release-velocity sensitive)
  
• Sound generating system: Altered FM sound generator
  
• Maximum Polyphony: 64 voices (varies depending on the setting)
  
• Structure 6 operators, 1 filter, 3 EGs, 3 LFOs, 3 effects, step sequencer, arpeggiator
  
• Algorithm: 40 presets + user algorithm (unique to each program)
  
• Operator: 5 modes (FM, Ring Mod., Filter, Filter FM, Wave Folder)
  
• Oscillator waveform: 21 waveforms (Sine, Sine 12bit, Sine 8bit, Triangle, Saw, Saw HD, Square, Square HD,
  
• Additive Saw3, Additive Sqr3, Additive Tri3, Additive 12345, Additive 1+2, Additive 1+3, Additive 1+4,
  
• Additive 1+5, Additive 1+6, Additive 1+7, Additive 1+8, Noise S/H, Noise White)
  
• Filter: 11 types (LPF 12, LPF 24, LPF MS-20, LPF POLY6, HPF 12, HPF 24, HPF MS-20, BPF 6, BPF 12, BRF 6, BRF 12)
  EG: ADSR
  LFO: 23 waveforms (Triangle, Saw Down, Saw Up, Square, Sine, Sample&Hold, Guitar, Exp. Triangle, Exp. Saw Down, Exp. Saw Up, Step4 Triangle, Step6 Triangle, Step4 Saw Down, Step6 Saw Down, StepRnd:Time,
  StepRnd:Lvl&Time, StepRnd:Level, Random:Time, Random:Lvl&Time, Triangle + , Saw Down + , Saw Up + , Square +)
  
• V.Patch: 12 routings
  
• Effect: 30 types (Chorus, Unison Ensemble, Phaser, Phaser (BPM) , Auto Pan, Auto Pan (BPM), Flanger, Flanger (BPM) , Rotary Speaker, Auto Wah, Exciter, Enhancer, LFO Filter, 3-Band EQ, Distortion, Guitar Amp, Decimator, Grain Shifter, Master Limiter, Compressor, Delay, Delay (BPM) , Autopan Dly, Autopan Dly (BPM), Tape Echo, Tape Echo (BPM) , Early Reflection, Reverb, Shimmer Reverb, Spring Reverb)
  
• Sequencer: Step Sequencer (up to 16 steps, up to 6 notes per step)
  
• Motion Sequencer (up to 6 lanes)
  
• Arpeggiator: 7 patterns (MANUAL, UP, DOWN, ALT1, ALT2, RANDOM, TRIGGER)
  
• Number of programs: 500 (250 preset programs and 250 user programs as the factory-set default)
  
• FAVORITE: 64 (16 Slots × 4 Banks)
  
• Controllers: MODULATION wheel, PITCH wheel, RATIO OP 1–6 knobs, LEVEL OP 1–6 sliders, DATA ENTRY A–F knobs
  
• Inputs/outputs: Headphone (6.3 mm stereo phone jack), OUTPUT L/MONO and R (impedance-balanced 6.3 mm TRS phone jacks), DAMPER (6.3 mm phone jack, half-damper not supported), MIDI IN and OUT connectors, USB B port
  
• Power supply: AC adapter (DC12V)
  
• Power consumption: 5 W
  
• Dimensions (W × D × H): 565 × 338 × 90 mm / 22.24" × 13.31" × 3.54"
  
• Weight: 2.9 kg / 6.93 lbs.
  
• Included items: AC adapter