Kurzweil PC4 specs

Name: Kurzweil PC4
Brand: Kurzweil

The PC4 is Kurzweil's lighter, performance-oriented take on the VAST workstation: the same 256-voice engine, 6-operator FM, VA1 virtual analog and KB3 organ as the K2700, but in a 13 kg body at roughly half the weight. It offers 1000+ factory programs across 13 categories, 16-zone Multi mode and an unusually complete controller set including a ribbon input and aftertouch. Kurzweil positions it as a performance controller as much as a synth.

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Brand: Kurzweil

Status	legacy
Keys	88
Key action	RPHA (Real Piano Hammer Action): 88-note fully-weighted hammer action with velocity and aftertouch
Polyphony	256
Sounds / presets	1000
Sound engine	Dynamic VAST with Cascade mode (32 layers), 6-operator FM engine, VA1 virtual analog and the KB3 ToneReel organ engine
Effects	Over 1000 effect chains across 32 FX units, plus a global master EQ/compressor
Speakers	None (line out only)
Bluetooth	No
USB audio	No
Pads / faders	no
Weight	13.01 kg
Dimensions (W×D×H)	[1302, 375, 165] mm
Battery power	no
Released	2019

Manuals & documentation

Official manufacturer downloads

Owner's Manual (EN) (PDF)

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Strengths

VAST 256-voice engine with 32-layer Cascade routing at 13 kg
1000+ factory programs built around the German and Japanese concert grand samples with Kurzweil String Resonance
36 programmable physical controllers including 9 sliders, 9 knobs and aftertouch
16-track sequencer plus 16 simultaneous CC step sequencers, riffs and arpeggiators