Kurzweil PC4 – 88-key performance controller & production workstation with Real Piano Hammer Action (fully weighted, velocity + aftertouch), 256-voice polyphony, Dynamic VAST synthesis with VA1 and a 6-operator FM engine, plus FlashPlay sample content (2 GB factory) and 2 GB user non-volatile memory. It features a widescreen color LCD, deep controller set (9 sliders, 9 knobs, 10 switches, wheels, aftertouch, pedal and ribbon inputs), 16-track sequencer, 16 RIFF generators and 16 note arpeggiators. I/O includes four balanced TRS outputs, stereo audio inputs (¼″ pair + ⅛″ AUX) with dedicated FX, MIDI In/Out, and dual USB ports for MIDI, backup and updates.
KEY FEATURES
- 88-note RPHA hammer action with aftertouch; 4.3″ 480×272 color LCD
- 256-voice polyphony; 16-part multitimbral
- Engines: Dynamic VAST, VA1 Inside, 6-Operator FM; Cascade Mode up to 32 layers
- Sounds: 1000+ factory programs; 2 GB factory samples + 2 GB user flash
- Production tools: 16-track sequencer (960 PPQ), 16 RIFFs, 16 arps, 16 MIDI CC step sequencers
- Controls: 9 sliders, 9 knobs, 10 switches, wheels, aftertouch; 2 switch-pedal (half-damper capable), 2 CC-pedal inputs; ribbon input
- Live audio input with dedicated FX (mix with instrument output)
- 32 FX units with 1000+ chains; master EQ & compressor; Kurzweil String Resonance
TECHNICAL SPECIFICATIONS
- Polyphony/Multitimbral: 256 voices / 16 parts
- Sample memory: 2 GB factory; 2 GB user (non-volatile)
- Sequencer: 16 tracks; 960 PPQ; event & track tools (quantize, swing, remap, controller scaling)
- System sample rate: 48 kHz
- Outputs: 4 × ¼″ balanced TRS (2 pairs), auto-mono on Main; +21 dBu max; 50 Ω source
- Inputs: 2 × ¼″ line; 1 × ⅛″ stereo AUX (each with FX)
- Headphones: ¼″, 130 mW into 32 Ω
- MIDI/USB: MIDI In/Out; USB-A & USB-B (full MIDI over USB, backup/updates)
- Dimensions (L×D×H): 51.25″ × 14.75″ × 6.5″ (130.18 × 37.46 × 16.51 cm)
- Weight: 28.7 lb (13.01 kg)
- Power: External 15 V DC, 2.5 A; included: power cable, switch pedal, USB cable
