Analogue sound generator + Multi digital sound generator (Noise, VPM, User)
Maximum Polyphony
prologue-16
16 voices
prologue-8
8 voices
Programs
500 voices (more than 250 preload, 250 user programs). Each program provides a program sort function that includes voice mode and timbre settings, and allows up to 8 × 4 banks of live set programs to be registered.
Voice Mode
4 (POLY, MONO, UNISON, CHORD). The VOICE MODE DEPTH setting allows different parameters to be varied for each mode.
Timbres
Max two timbre (Main timbre, Sub timbre) Layer, crossfade, and split settings are possible.
Arpeggiator
6 types (Manual, Rise, Fall, Rise Fall, Random, Poly Random). Tempo and note range can be changed
Wheels: Modulation wheel that can modify different parameters for each program, pitch wheel Knobs: PORTAMENTO knob, VOICE SPREAD knob (only on prologue-16)
Display
Main
Real-time OLED oscilloscope provides visual feedback of parameter changes
MULTI ENGINE section
7 segments x 6 digit LED display
Input/Output connectors
Headphone jack (Stereo phone jack)
OUTPUT L/MONO, R jacks (monaural phone jack unbalanced)
SYNC IN jack (3.5 mm [1/8"] mini jack, maximum input level 20 V)
SYNC OUT jack (3.5 mm [1/8"] mini jack, output level 5 V)