‌The Kurzweil PC4 – Performance Controller. Now available in a 76-note design.

• 256 Voices of V.A.S.T. Polyphony!
  

More polyphony from our acclaimed V.A.S.T. engine than any product in Kurzweil history!

• 2 Gigabytes of Factory Sounds!
  

Over 1000 hand-selected factory presets organized into 13 categories of Programs and featuring our optimized German 9 ft. and vintage Japanese 7 ft. concert grand pianos (with “KSR” – Kurzweil String Resonance). Also included are a wide selection of tailored sounds from the acclaimed Forte® (EP, Clav, Celeste, Crotales, Harpsichord), as well as PC3 Series and KORE 64™ expansions – all handcrafted to deliver unprecedented expressiveness with an obsessive attention to detail.

• Patented FlashPlay® Technology
  

Flash-Play® provides the PC4 with a staggering amount of horse-power; 2 GB sample content with zero-loading time, and ultrafast performance.

• 2 Gigabytes User Sample Memory
  

Load up to 2 GB of your own custom samples into non-volatile flash memory. Supported sample formats: .WAV, .AIF (up to 16 bit / 96kHz) and Kurzweil formats (.P3K, .KRZ, .K25, .K26).

• V.A.S.T. Editing
  

Deep native editing? Look no further. The PC4 grants full access to Kurzweil’s legendary Variable Architecture Synthesis Technology directly from the front panel. With 32-layers per program, each offering its own signal path and a host of modular DSP tools, the PC4 offers a wealth of sound creation and modification that is truly immense.

• 6-Operator FM Engine
  

6 Operator FM Engine with the ability to load original FM SysEx files.

• CC Sequencers
  

Add sonic animation to your sounds via 16 simultaneous MIDI CC Step Sequencers for modulation sequencing.

• KB3 ToneReal™ Organs
  

Modeled after classic organs. A full compliment of tonewheel controls are immediately accessible including 9 realistic drawbars, rotary speed, chorus/vibrato, brake, percussion and more.

• Powerful FX Engine
  

Award-winning Reverbs, Delays, Choruses, Flangers, Phasers, Distortions, Rotary Amplifiers, Compressors and more – all fully editable from the user-interface. The PC4 also offers a global Master FX section featuring 3-band EQ and Compression.

• K.S.R. – Kurzweil String Resonance
  

Piano string resonance modeling for enhanced acoustic piano performance!

PERFORMANCE

• 76-Note Semi-Weighted Action
  

Every sound within the PC4-7 is perfectly matched to its 76-note semi-weighted keyboard with aftertouch.

• Gig-Lite
  

Feature packed and under 20lb!

• 16-Zone Multi Controller Mode
  

Construct massive sonic combinations via Kurzweil’s renowned Multi mode (aka Setup mode) offering 16 zones of unparalleled MIDI controller capabilities.

• 16-Track Sequencer
  

The PC4-7 features a 16-track internal sequencer to record/edit/mix/produce your own tracks – all in the box. Import MIDI (.mid) files as well as Kurzweil PC3-family songs.

• 16 Simultaneous RIFF Generators
  

Trigger and manipulate up to 16 simultaneous MIDI sequences on the fly. Select from an internal library of patterns or record/import your own!

• 16 Simultaneous Note Arpeggiators
  

Looking for a pulse? Activate up to 16 independent Arps (1 per program, 16 per Multi) and discover the new ‘Step Sequencer’ environment!

• Live Audio Input w/ FX
  

Plug in and jam along with your favorite music player via 1/4″ pair and/or 1/8″ (3.5mm) audio input. The input bus sports its own dedicated real-time FX. Sweeten your backing tracks for live performance and internally mix the signal with the PC4’s own output.

CONTROLS

• Front Panel Master Transport Controls
  

Use the buttons in the TRANSPORT section to control recording and playback of the on-board 16-track sequencer.

• 36 Programmable Physical Controllers
  

9 Sliders, 9 Knobs, 10 Switches, 2 Wheels, 2 Switch Pedal* Inputs (which support half-damper for pianos), 2 Continuous Control Pedal Inputs, Aftertouch and Ribbon controller input**.

• Easy Access Transpose Controls
  

Dedicated -/+ transpose controls conveniently located right above the LED backlit pitch/modulation wheels (LED lights can be disabled).

SPECS

All specifications subject to change without notice.

Keyboard:

76-key, semi-weighted action with velocity and pressure (aftertouch) sensitive adjustable keys (SWA76)

Display: 480 x 272 pixel high resolution color LCD with adjustable brightness

Polyphony: 256 Voice Polyphony, dynamically allocated

Multitimbral: 16 parts (one per MIDI channel)

Architecture: Dynamic VAST: Powerful synthesis engine, with user programmable DSP algs and routing.

6-Operator FM Engine

VA1 Inside: anti-aliasing, power-shaped oscillators and DSP processing from Kurzweil’s VA1 concept synth, capable of delivering authentic analog emulations as well as incredibly complex new sounds.

Cascade Mode: lets the user route one layer through the DSP of any other layer within a program – up to 32 consecutive layers deep!

Sample Flash Memory: 2 GB of re-loadable, non-volatile, user flash memory

Factory Programs: 1000+

User Programs: 4096

Factory Multis: 50+ – featuring up to 16 independent zones

User Multis: 4096

General MIDI: No

Kurzweil String Resonance: Yes

Master EQ/Compressor: Yes

Effects: Over 1000 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

9 front panel sliders

9 Knobs

9 switches (assignable/zone mutes/KB3 control)

1 variation switch

Tempo Controls w/ tap tempo

2 transpose switches

Arp Controls

Transport Controls

*2 switch pedal inputs each supporting single switch pedal or single half damper pedal (1 switch/sustain pedal is included; half-damper pedals sold separately)

2 continuous control pedal inputs

monopressure (aftertouch)

Ribbon input (ribbon controller sold separately)

Sequencer: 16 Tracks; 960 PPQ resolution. Song editing functions include both event and track-based tools like quantize, swing, remap, controller scaling and more.

MIDI CC Step Sequencers: 16 simultaneous

RIFFs: 16-per Multi

Arpeggiators: 1-per Program, 16-per Multi

Analog Outputs: Four (2 pairs) 1/4″ balanced TRS analog (32-bit DACs)

Automatic mono switching on main outs

+21dBu maximum output

50Ω balanced source impedance

Audio Inputs: Two 1/4″ inputs

One stereo 1/8″ input (each with FX) for connecting your favorite MP3 player or other audio source for accompaniment playback

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 backup via USB drive

Operating System updates via USB drive

Software Editors: External editors for Mac OS X, Windows PC and iOS devices

FREE OS Updates: OS updates via USB 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: 19.4 lb (8.8 kg)

Power: External 15VDC 2.5A Power Supply