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Korg M3r

AI synthesis Module (1989)

Korg M3r

"Rackmount sample-player module made in Japan.
A slimmed-down Korg M1 / M1r workstation version featuring less waveforms and a simpler voice architecture."

 Main Data 

Korg m3r made in Japan

Company: Korg
Model: M3R
Class: Module
Country: Japan
Weight: 5 Kg
Dimensions: 430 (w) x 405 (h) x 88 (d) mm
Dates: 1989
Display: 16 x 2 LCD
Price: 100€

Synthesis: PCM rompler
Technology: Korg AI2 
Samples Resolution: 16 bits
ROM size: 3 MB
Polyphony: 16 voices
Multitimbric: 8 parts
Oscillator: 1 sample PCM
Filter: Digital Low pass
LFO: 2 modulators
Envelope: 3 EGs
Memory: 100 slots
Effects: 22 models
CPU: NEC D70320
DAC: BB PCM54HP 


Main panel features a 16 X 2 lines display, a knob for volume and 8 buttons.

Back panel terminal connectors:
- Midi interface
- main analog signal out
- AUX analog out assignable
- a 8-pins connector called "REMOTE" for external programmer model Korg RE-1.

Front panel terminal connectors:
- headphones out
- 2 card slots for PCM and data cards.


- M3R OS check
Turn on the MR3 and keep hold EDIT + GLOBAL

- M3r FACTORY RESET
 EDIT, GLOBAL, go to page 5, RELOAD PRESET, OK

- 200 Free m3r patch ! DOWNLOAD 

- No official VST plugin
- no known samples library

-->Have some M3r sample set you want to share? CONTRIBUTE :) 

owner's manual download


NO SERVICE MANUAL / SCHEMATICS if you have it and want to share it, please contact us.

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In details 

CPU



 TECH  the rack main core is a single 8 bits NEC model  D70320 which manages up to 16 voices polyphony, relative M3R DAC is a Burr Brown PCM54HP.


BASIC SOUND a patch is composed by 1 sample PCM at 16 bits resolution based on "AI SYNTHESIS" with some edit parameters: 
- octave range:  4' / '8' / 16'
- volume gain setting
- stereo panning
- delay start
- monophonic mode

Sound basic

PCM internal 3 MB ROM is organized in 3 wave categories:
 -45 PCM: percussives
- 80 PCM: acoustic instruments. 
- 9 DWGS: mathematically pre-calculated PCM derived from classic hybrid analog-digital Korg DW-8000.

PCM expansion CARDS

M3R wavetable can be expanded using some cards usually set of PCM+DATA:

HINT: M3R and M1/m1r PCM cards are compatible, but not the DATA ones.

IDSET NAME Publisher PIC
RPC-00p1Preset factory  Korg
RPC-121World Omnibus  KorgYES
RPC-131Bun May  KorgYES
RSC-01S2Variety  Korg
RSC-02S2Synth 1  KorgYES
RSC-03S2Drums 1  KorgYES
RSC-04S2Orchestra  KorgYES
RSC-05S2Piano  KorgYES
RSC-06S2Fretted   KorgYES
RSC-07S2Synth 2  Korg
RSC-08S2Percussion  KorgYES
RSC-09S2Organ   KorgYES
RSC-10S2Ethnic 1  Korg
RSC-11S2Brass  KorgYES
RSC-12S2Synth 3  Korg
RSC-13S2Ethnic 2  Korg
RSC-14S2Sound Effects  Korg
RSC-15S2Drums 2  Korg
RSC-16S2Environment  Korg
M-3011/  ValhalaYES
M-3021/  ValhalaYES
M-3031/  Valhala
M-3041/  ValhalaYES
M-1031/  ValhalaYES
VC-11/Voice CrystalYES

Engine: Filter, Envelope and LFO

Filter

FILTER 

VDF is digital, a simple non-resonant low-pass model.

LFo

LFO modulator

Up to 2 delayed modulators MG (4 shapes: triangle, saw-up, saw-down and square) with variable depth and retrigger option mode:
- LFO 1: to pitch
- LFO 2: to filter

Envelope

Envelope

3 digital EGs:
- EG OSC VDA: 4 segments + 3 times
- EG OSC VDF: 4 segments + 4 times
- EG OSC pitch EG: 3 segments + 3 times 

 PERFORMANCE the combination mode up to 8 parts with settings:
- Midi channel assign
- keyboard zone assignment
- semitone transpose
- volume / panning
- pitch tuning
- damp amount
- aftertouch can be routed to: pitch, LFO1-2, filter or amplitude

Performance check

Effects double engines that can be chained in either serial or parallel mode.  

Effect list: equalizer, reverb (x9) delay (x2), chorus (x2), flanger (x2), tremolo (x2), phaser (x2), frequency exciter and ovedrive.

Memory 

                                                                Features

- 100 programs
- 100 combinations,

- RAM doubled when using custom  MCR-03 memory cards. 

Korg M3r Motherboard

Battery Replacement

A simple CR2032 in a simple holder: just open the rack, locate the holder then replace it with a fresh one. Then you have to reload your sounds: the factory patch set can be recalled anytime just follow this simple keystroke procedure: EDIT, GLOBAL, go to page 5, RELOAD PRESET, OK

M3R Editor 

Midiquest

MIDIQUEST ($)

Commercial, quite old now

Emagic sounddiver

Emagic Sound diver

Out of business will work only on old hardware PC or MAC

M3RLibEd

M3LibEd 

Old shareware for Windows 95/98

C-lab editor

 CLAB m1-3 manager 

Utility for Atari ST 

Atari ST Big noise

Big Noise

Utility for Atari ST

Our Verdict 

"A different taste taste of a classic M1. If you love those 90' pads and acoustic sounds, this is now a bargain" 

Sound 
quality

26%

Interface

Build
 quality

Rarity

Quality / 
price

Overall

CONS

-1 osc per voice structure
-  edit / interface
- obsolete acustic sounds
-memory storage

PROS

- cheap now
- A variation of famous M1

Are you a M3r user? do you like it? You do not agree with our review?  Let us know in the comment field just below 

DISQUS COMMENTS WILL BE SHOWN ONLY WHEN YOUR SITE IS ONLINE

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 M3R RELATED FAMILY 

Korg M1

Korg M1 / M1R

Famous bigger brother: more power, double oscillator structure and sounds, also definitely easier to edit. The Rackmount version is M1R.

korg RE-1

Korg RE-1

An optional programmer that enhances the edit process- recommended. Korg RE-1 still quite cheap around, but it simply cannot access deep programming 

Korg M3r Module Korg M3r Module
62 out of 100 based on 1 user ratings
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