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Korg X-911


Released: 1979

MSRP: Y65,000


Monophonic guitar synthesizer processes single note pitch to CV at input (vs. guitar pick-up). Architecture Class: Conventional (subtractive).

Ebay Description:

The Korg X-911 is a desktop (monophonic) synthesizer, featuring a single oscillator (square/saw/pulse waveforms), low pass analog filter, preset envelope, portamento, CV I/O, guitar input, and 6 presets (Electric-Bass, Tuba, Trumpet, Distortion-Guitar, Violin, Flute).


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
desktop W:336mm D:200mm H:67mm 3kg guitar direct mono no interval CV pitch filter trigger CV trigger portamento hold mute AC:wired (7.5W)


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
- N/A 6 (Electric-Bass Tuba Trumpet Distortion-Guitar Violin Flute) no no knobs switches LED


Multitimbral Polyphony Unison Architecture
no 1 no VCO->VCF->VCA


Effects Pan Modulator Volume Modulator Headphone
no no external EG no


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A no N/A N/A no no


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no no no no no N/A


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
VCO analog pulse saw square -1 pulse:16 saw:8 square:4/8 no no external portamento no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog discrete no low pass EG external no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
EG - PWM:attack/decay saw:attack square:attack/decay no no no no no
Conventional Models
MiniKorg 700 MiniKorg 700s MaxiKorg 800DV 900PS Synthe Bass SB-100 770 PE-1000 PE-2000
MicroPreset M-500 MicroPreset M-500SP PS-3100 PS-3200 PS-3300 MS-10 MS-20 MS-50
X-911 Delta Lambda Sigma Trident Trident MKII MonoPoly Polysix
Poly-61 Poly-61M Poly-800 EX-800 Poly-800II