Korg M1EX
Released: 1989
MSRP: ?
Synopsis:
M1 with expanded waveform memory. Architecture Class: Rompler.
Ebay Description:
The Korg M1EX is a pressure and velocity sensitive 61 key (8 channel multitimbral) single (16 voice) or dual (8 voice) oscillator synthesizer, featuring 190 waveforms and 85 drums (16 bit, 4MW, more via card), dedicated pitch and filter LFOs, dual stereo effects processors (33 effects), stereo and dual individual outputs, 8 track sequencer (4400 or 7700 events, depending on program memory), and MIDI. Each oscillator channel features a low pass filter and dedicated (pitch, filter, amplifier) 3-stage envelopes. The 50 or 100 (depending on sequencer memory) user editable presets can be saved via MIDI SysEx or memory card.
Physical
| Form Factor | Dimensions | Weight | Audio Input | Audio Output | Communication Port | Control Input | Control Output | Switch Input | Power |
|---|---|---|---|---|---|---|---|---|---|
| 61 keys | W:1058mm D:356mm H:110mm | 13.5kg (29lbs 11oz) | no | stereo individual:2 | MIDI:In/Out/Thru | pedal:2 MIDI | MIDI | sustain assignable:2 | 11W AC |
Interface
| Compatibility | Multitimbral Memory | Program Memory | External Storage | External Programming | UI Input | UI Output |
|---|---|---|---|---|---|---|
| M1 M1R | 50|100 card:50|100 | 50|100 | MIDI:SysEx program-slot:RAM(MCR-03)|ROM-card sample-slot:ROM-card | MIDI:SysEx | menu based | LCD display |
Architecture
| Multitimbral | Polyphony | Unison | Architecture |
|---|---|---|---|
| 8 | 2osc:8 1osc:16 | no (mono) | [DO1->DF1->DA1]+[DO2->DF2->DA2] |
Output
| Effects | Pan Modulator | Volume Modulator | Headphone |
|---|---|---|---|
| dual (serial|parallel) stereo multieffects processors (33 effects) | no | aftertouch DA-EG1 DA-EG2 key MIDI-CC7 pedal | yes |
Control
| Arpeggiator | Arpeggiator External | Sequencer | Sequencer Memory | Sequencer External | Continuous | Program Change |
|---|---|---|---|---|---|---|
| no | N/A | 8 track real, step, or pattern | songs:10 patterns:100 steps:4400|7700 (50|100 program and multitimbral memory respectively) card:same | MIDI pedal | joystick MIDI-CC1 MIDI-CC2 MIDI-CC6 MIDI-CC38 MIDI-CC100 MIDI-CC101 | pedal MIDI |
Keyboard
| Key Pressure | Chord Memory | External Control | External Sustain | Key Scaling | Velocity Curves |
|---|---|---|---|---|---|
| yes | no | MIDI | pedal MIDI | temperament:5 (preset:4 user:1) control: programmable key center | 1 |
Sample
| Stereo | Sample Depth | Sample Rate | Sample RAM | Sample ROM | Sample Points | Sample Trigger | Sample Loop | Sample Edit |
|---|---|---|---|---|---|---|---|---|
| N/A | 16bit | N/A | N/A | 4MW (8MB) | N/A | N/A | N/A | N/A |
Source
| Name | Signal Class | Waveform | Octave Range | Amplitude Modulator | Harmonics Modulator | Pitch Modulator | Wave Assign Modulator |
|---|---|---|---|---|---|---|---|
| DO1 | digital | samples:190 kits:4 (85 drum samples) | 4' 8' 16' | no | no | aftertouch DO-EG1 joystick Pitch-MG MIDI-Bend | no |
| DO2 | digital | samples:190 with delay | 4' 8' 16' | no | no | aftertouch DO-EG1 joystick Pitch-MG MIDI-Bend | no |
Filter
| Name | Signal Class | IC | Resonant | Shape | Frequency Modulator | Resonance Modulator | Shape Modulator |
|---|---|---|---|---|---|---|---|
| VDF1 | digital | DSP | no | low pass | aftertouch VDF-EG1 joystick key pedal VDF-MG MIDI-CC2 | no | no |
| VDF2 | digital | DSP | no | low pass | aftertouch VDF-EG1 joystick key pedal VDF-MG MIDI-CC2 | no | no |
Envelope
| Name | Level | Rate | Loop | Polarity | Trigger | Level Modulator | Rate Modulator |
|---|---|---|---|---|---|---|---|
| DO-EG1 | start attack release | attack decay release | no | yes | no | velocity | velocity |
| DO-EG2 | start attack release | attack decay release | no | yes | no | velocity | velocity |
| VDF-EG1 | attack break-point release | attack decay slope release | no | yes | no | velocity | key velocity |
| VDF-EG2 | attack break-point release | attack decay slope release | no | yes | no | velocity | key velocity |
| DA-EG1 | attack break-point | attack decay slope release | no | no | no | velocity | key velocity |
| DA-EG2 | attack break-point | attack decay slope release | no | no | no | velocity | key velocity |
LFO
| Name | Waveform | Delay | Polarity | Sync | Delay Modulator | Level Modulator | Rate Modulator |
|---|---|---|---|---|---|---|---|
| Pitch-MG | triangle saw:up saw:down square | yes | no | key | no | aftertouch joystick MIDI-CC1 | no |
| VDF-MG | triangle saw:up saw:down square | yes | no | key | no | aftertouch joystick MIDI-CC1 | joystick |
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