The Kurzweil SP6. Powerfully Simple. Now available in a 76-note design.

Following the standard of sonic excellence established by the Forte®, Forte SE and PC3 series, the SP6-7, powered by the new LENA® processor, brings your performance to new heights with its astonishing sound quality, light-weight, depth of control and simple operation – all within easy reach.


2 Gigabytes of Sounds!

Hear the new High Definition Japanese Grand and German D Grand, each optimized especially for the SP6-7 and featuring “KSR” – Kurzweil String Resonance. The SP6-7 offers all of the sample content from the Forte SE and features a wide selection of tailored sounds from the acclaimed Forte® and Forte SE (EP, Clav, Celeste, Crotales, Harpsichord), as well as PC3 Series and KORE 64™ expansions – all handcrafted to deliver more control over these sounds than we’ve ever presented before.

Patented FlashPlay® Technology

Powered by Flash-Play®, the SP6-7 boots in 11 seconds with 2 GB of on-board sample content, zero-loading time, loads of powerful DSP and ultrafast performance. Load programs from the Forte, Forte SE and PC3 family (some restrictions apply).

Powerful FX Engine

Experience more simultaneous FX in your performance multis and external sequencing! – and tweak away with dedicated knob assignments. Featuring 32 FX units of horsepower, enjoy award-winning Reverbs, Delays, Choruses, Flangers, Phasers, Distortions, Rotary Amplifiers, Compressors and more.

K.S.R. – Kurzweil String Resonance

Piano string resonance modeling for enhanced acoustic piano performance!

KB3 ToneReal™ Organs

Modeled after classic organs. Featuring real-time performance controls.



Talk about pound-for-pound. The SP6-7 weighs in at only 17.53 lb. (7.95 kg)!

76-note Semi-Action

Every sound within the SP6-7 is perfectly matched to its 76-note semi-weighted keyboard. Further tailor the SP6-7 response to your playing style via 10 selectable key velocity maps.

4 Arpeggiators!

Looking for a pulse? Activate up to 4 independent Arps (1 per program, 4 per Multi) with dedicated on/off and tap tempo buttons.


20 MIDI Controllers

Maximize your real-time control over every preset via the SP6-7’s 4 Knobs*, 1 Switch, 2 Wheels, 2 Dual-Switch Pedal Inputs**, and 1 Continuous Control Pedal Input.

*(configured as 4×3 = 12 virtual controls)
**(support for half-damper pedal for pianos or up to 4 standard switch pedals /
1 standard sustain/switch pedal is included).

Easy Access Controls

Pitch/Modulation wheels along with dedicated
-/+ Transpose and sound Variation controls conveniently located right on the front panel.


Sound Selection

Easy Category and Program/Multi selection and assignment. Enjoy per-program instant demos to quickly audition each sound.

Favorites Section

Access your Favorite sounds with ONE button press! Conveniently located right below the SP6-7’s display.

Software Editors

Get deeper into editing your SP6-7 using free external software editors for Mac OS X, Windows PC and iOS* devices (*coming soon)!


All specifications subject to change without notice.

76-key, semi-weighted action with velocity sensitive adjustable keys (SWA76)
Display: 128×64 pixel monochrome LCD
Polyphony: 128 voice polyphony, dynamically allocated
Multitimbral: 16 parts (one per MIDI channel)
Architecture: VAST: Variable Architecture Synthesis Technology
KB3: ToneReal emulation
VA1: anti-aliasing, power-shaped oscillators and DSP processing from Kurzweil’s VA1 concept synth
Quick Split/Layer: Easy access with adjustable relative volume (up to 4 zones)
Factory Programs: 256
User Programs: 1024
Factory Multis: 130
User Multis: 1024
Favorites: 5
Compatibility: 100% compatibility with Forte SE programs
Load sounds from the Forte and PC3 family programs (some restrictions apply)
General MIDI: No
Kurzweil String Resonance: Yes
Piano Damper Noise: Yes
Effects: Hundreds of complex effect chains, incorporated into programs featuring our award winning effects – reverbs, delays, chorus, flange, phaser, EQs, distortions, rotary speaker simulators, compressors, and more
32 total FX units
Controllers: 1 pitch wheel
1 modulation wheel
4 front panel knobs (configured as 4×3 = 12 virtual controls)
1 variation switch
1 arp switch
2 transpose switches
1 tap tempo switch
2 dual-switch pedal inputs (1 switch/sustain pedal is included; supports dual switch and half-damper for pianos / dual & half-damper pedals sold separately)
1 continuous control pedal inputs
Arpeggiators: 1-per Program, 4-per Multi
Analog Outputs: Two 1/4″ balanced TRS analog (32-bit DACs)
Headphones: 1 back-panel 1/4″ headphone output
130mW into 32 ohm headphones
MIDI: In, Out
USB: Two USB ports (one A port / one B port)
Complete MIDI functionality over USB
User program/multi file transfer to/from PC/Mac/Flash Drive
Operating System updates from PC/Mac/Flash Drive
Software Editors: External editors for Mac OS X, Windows PC and iOS devices
FREE OS Updates: OS updates over USB and/or Flash Drive
Included Accessories: Power cable, Switch pedal, USB cable
Height: (4.24″) (10.78 cm)
Depth: (14.07″) (35.75 cm)
Length: (46.54″) (118.2 cm)
Weight: (17.53 lb) (7.95 kg)
Power: External Power Supply, 15VDC 2.5A



Song Demos

A Piano




E Piano







AOR Landscape
By Francisco Rodriguez

Controller Knobs
Overview of knob controller functions

Customizing Favorites
Learn how to save your own programs for quick access.

Customizing Programs
Transform factory programs directly from the front panel in real-time!

SP6 Trailer
Introducing the SP6


User Manuals

SP6 Getting Started Guide– 2.6MB
Quick Start Guide (rev C)

SP6 Getting Started Guide – E-Book – 478 KB
Quick Start Guide (rev C) – .epub format for e-readers and mobile devices​

SP6 Musician’s Guide – 3.3 MB
Primary owner’s manual (rev F)

SP6 Musician’s Guide -E-Book – 1.8 MB
Primary owner’s manual (rev F) – .epub format for e-readers and mobile devices​

OS Updates

SP6_v152_Update – 7.0 MB
Contains: OS v4.36.34387, Obj v1.01.8, Installation Instructions, Release Notes

Software Editors

SP6 – Desktop Editor (Mac) – 10.4 MB
v2.54 of the SP6 desktop editing software for the Mac
Requires the latest SP6 OS update (link above)

SP6 – Desktop Editor (PC) – 6.1 MB​
v2.54 of the SP6 desktop editing software for the PC
Requires the latest SP6 OS update (link above)

SP6 – Desktop Controller (Mac) – 13.0 MB
v1.04 of the SP6 desktop controller software for the Mac
Requires the latest SP6 OS update (link above)

SP6 – Desktop Controller (PC) – 6.8 MB
v1.04 of the SP6 desktop controller software for the PC
Requires the latest SP6 OS update (link above)

SP6 – iPad Editor – 35.9 MB
(links to App Store store for download)
Requires the latest SP6 OS update (link above)

SP6 – PlugSE (Mac) – 21MB
v2.0.0 of the SP6 Plug-in – (AU/VST) for the Mac
Requires the latest SP6 OS update (link above)

SP6 – PlugSE (PC) – 7.2 MB
v1.0.9 of the SP6 Plug-in – (VST) for the PC
Requires the latest SP6 OS update (link above)



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Authorized Repair Facilities

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The SP6 can be purchased through these online retailers: