Synth Museum

"Synthesizer preservation via research and education."

The Web SynthArk


Roland MC-303


Released: 1991

MSRP: $?


DJ oriented synth/sequencer probably based on SC-55MKII engine. Architecture Class: Rompler.

Ebay Description:

The Roland MC-303 is a desktop (aftertouch and velocity sensitive), 28 voice (8-part multimbral), GS/GM compatible digital synthesizer, featuring an oscillator, a resonant low-pass filter, an ADR envelope, LFO (sine, random1-2, square, saw, triangle waveforms with delay), portamento, reverb/chorus, 448 presets, 12 drum sets, arpeggiator, 8-track sequencer (10 songs, 14k events) with 394 patterns (50 editable), and MIDI.


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
desktop W:378mm(14.875in) D:244mm(9.625in) H:91mm(3.5625in) 3kg(6.625lbs) no stereo MIDI:IN/OUT MIDI MIDI sequencer 9VDC 0.5A (ACI)


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
MC-303 no presets:448 preset-drum-set:12 MIDI-SysEx MIDI-SysEx menu based LCD display


Multitimbral Polyphony Unison Architecture
8+RPS:8 28 no PCM->DCF->DCA


Effects Pan Modulator Volume Modulator Headphone
reverb chorus key MIDI-CC10 MIDI-CC7 ENV LFO velocity yes


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
styles:34 MIDI tracks:8 songs:10 preset-patterns:133+211(RPS) user-patterns:50 notes:14k pedal MIDI MIDI-CC1 MIDI-CC5 MIDI-CC6 MIDI-CC7 MIDI-CC10 MIDI-CC11 MIDI-CC84 MIDI-CC91 MIDI-CC93 MIDI-CC100 MIDI-CC101 MIDI


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
channel no MIDI MIDI no 1


Stereo Sample Depth Sample Rate Sample RAM Sample ROM Sample Points Sample Trigger Sample Loop Sample Edit
no 16bit ? no ? N/A N/A N/A no


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Sample digital preset - no no LFO MIDI-PitchBend portamento no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
TVF digital ? yes low pass LFO no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
ENV - attack decay release no yes no no no


Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO sine random1-2 square saw triangle yes no no no MIDI-CC1 no
Rompler Models
D-50 D-550 D-10 D-20 D-110 D-5 U-110 U-20
U-220 D-70 MT-32 MT-100 LAPC-I CM-32L CM-32P CM-64
SC-55 MT-120 CM-300 CM-500 SC-155 SC-33 SC-55MKII SC-50
MT-120S MT-200 SC-88 SC-88VL SC-55ST SC-88ST SC-88Pro SC-88STPro
SC-880 SC-8850 SC-8820 MC-303 MC-505 JX-305 MC-307 JD-800
JD-990 JX-1 JV-80 JV-880 JW-50 JV-30 JV-35 JV-50
W-50 JV-90 JV-1000 JV-1080 XP-50 XP-10 JV-2080 JP-8000
JP-8080 XP-60 XP-80 XP-30 JV-1010 M-DC1 M-OC1 M-SE1