From the world renown R&D facilities in Waltham, MA, the K20 Series represents the culmination of Kurzweil’s 30+ year evolution of V.A.S.T. technology, perfected through generations of venerable K2 synthesizers. With 32 customizable layers per program, massive polyphony, and a host of creative hands-on controls, the K20 Series empowers you to craft expansive and nuanced sounds ranging from V.A.S.T. classics through yet unheard of soundscapes.
- 61-key semi-weighted synth action keyboard with velocity and aftertouch (Fatar TP/9)
- 32 customizable layers per program with Dynamic V.A.S.T. technology.
- 4 GB FlashPlay® memory for instant access and performance.
- 2 GB factory sound library with over 2000 programs and 500 multis.
- 2 GB user sample memory with extensive format compatibility.
- 6-Operator FM engine for advanced sound design.
- Virtual analog synthesis with anti-aliasing oscillators.
- Studio-quality effects and dedicated master FX controls.
- KB3 ToneReal™ organs with realistic drawbar controls.
- Multi mode with 16 zones and 40 programmable controllers.
- 16 arpeggiators and MIDI CC step sequencers.
- Real-time MIDI sequencing and pattern import.
- Quick and customizable sound selection tools.
- Dedicated master transport and transpose controls.
Dynamic V.A.S.T.
V.A.S.T. was born in the K2000 series. The K2061 expands on Kurzweil’s legendary Variable Architecture Synthesis Technology offering 32-layers per program, deeply customizable signal paths, and a host of modular DSP tools including new oscillators, FM layers, multi-pole filters, and FX.
Patented FlashPlay® Technology
FlashPlay® provides the K2061 with a staggering amount of horse-power. Up to 4 GB total capacity with zero-loading time, and ultrafast performance.
2 GB of Factory Sounds
The K2061 delivers a vast sound library of over 2000 factory Programs and over 500 Multi combinations centered around updated recreations of many synth-focused sounds from Kurzweil’s legendary K2000, K2500, and K2600 instruments as well as re-envisioned must-haves from the K2700, Forte, PC4, PC3, and SP6. Categorized selections also include our world-class pianos, EPs, organs, strings, basses, guitars, and more.
2 GB User Sample Memory
With 2GB of non-volatile, user sample flash memory, tap into Kurzweil’s incomparable backwards compatibility, drawing from decades of legendary sounds ranging from our K2000 to the K2700 series. Supported formats include .WAV, .AIF (up to 16-bit/96kHz), and Kurzweil-specific file types (.K27, .FOR, .PC4, .P3K, .KRZ, .K25, .K26).
6-Operator FM Engine
6-Operator FM Engine with the ability to load original FM SysEx files. FM layers are a new addition to VAST programs and can be combined with VAST features to go far beyond classic FM synthesis.
Virtual Analog
The K20 Series features advanced anti-aliasing power-shaped oscillators and DSP processing derived from Kurzweil’s legendary VA1 concept synth, offering authentic analog emulations alongside stunningly intricate new sounds.
Studio-Quality FX
The K2061 delivers an extensive suite of professional-grade effects, including lush reverbs, dynamic delays, rich choruses, and more—all customizable to suit your sound. A dedicated Master FX section with 3-band EQ and compression ensures your mix is polished and performance-ready.
KB3 ToneReal™ Organs
Inspired by classic tonewheel organs, the K2061 offers 9 realistic drawbars and full control over rotary speed, chorus/vibrato, brake, percussion, and more—all instantly accessible.
Take Control
Go beyond common splits and layers and experience new hyper multis, an extension to the singular program experience. Massive sonic combinations are at your fingertips with Kurzweil’s renowned Multi mode offering 16 zones of unmatched MIDI control!
Express Yourself
Elevate your performances and productions with 40 programmable physical controllers per multi zone. The K2061 features a versatile 3-section ribbon controller, keyboard aftertouch, an array of programmable knobs, buttons, sliders, wheels, and a host of pedal inputs.
Endless Rhythmic Inspiration
With 16 fully programmable arpeggiators and dedicated front panel controls, craft intricate rhythms and evolving textures. Whether you’re building complex sequences or driving energetic grooves, each arpeggiator operates independently for unmatched depth and dynamic movement across every layer of your sound.
Modulation in Motion
Bring your sounds to life with 16 simultaneous MIDI CC Step Sequencers, delivering evolving textures, animated pulses, and expressive sonic movement.
Real-Time MIDI Sequencing
Instantly trigger, sync and control up to 16 simultaneous MIDI sequences. Choose from a built-in library of patterns or record and import your own for limitless creative possibilities!
A Sound Selection
Instantly access sounds through direct entry or explore the category browser with convenient category defaults. Customize your workflow with QuickAccess mode to create personalized sound groupings for instant recall. Need something specific? The search function lets you quickly locate sounds by name or keyword, keeping your creativity flowing without interruption.
Program Audition
Once you’ve narrowed your selection, instantly audition any factory program with the Program Demo feature, making it easy to explore and discover the perfect sound.
Master Transport Controls
Take command of your arpeggiators, CC sequencers, onboard multitrack sequencer, and external DAW with the dedicated front-panel master transport section.
Transpose on the Fly
Play in any key or octave instantly by way of the dedicated front-panel -/+ transpose buttons conveniently located above the pitch and modulation wheels.
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