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Description

Rack version of the Korg M1

The M1 was and still is a popular and widely used digital synthesizer and music workstation. The M1 features built-in AI Synthesis for full digital generation and processing using 4MB of PCM sampled and synthesized waveforms which can be shaped using analog-style editing. The M1 is capable of creating acoustic instruments with clarity, nice digital sounds and good buzzy techno sounds. The M1 is sort of like a workstation-version of the Roland D-50.

In addition to its acclaimed sound, it has a somewhat sophisticated 8-track sequencer. It holds 10 songs and 100 patterns and up to 7,700 notes, and offers full quantizing and editing. Full MIDI implementation suites the M1 ideally for studio production and MIDI system use. Up to 8 parts of multitimbrality with the 8 track sequencer makes for a powerful machine. Add to that a host of digital multi-effects and you've got one of the most widely and professionally used Korg synthesizers around.

Polyphony - 16 voices Oscillators - 4MB PCM waveforms (144 multisampled sounds) Effects - Digital multi-effects: reverb, delay, overdrive, EQ, chorus, rotary speaker, and more. Filter - VDF: Variable Digital Lowpass Filter, velocity sensitive (non-resonant) VCA - VDA: Variable Digital Amplifier; 3 independent 4-stage ADSR envelope generators Keyboard - 61 keys with Velocity, Aftertouch, Multi, Layer, Split modes Memory - 100 patches Control - MIDI (8 parts) Date Produced - 1988-94

Product specs

Brand Korg
Model M1R Rackmount Workstation Synthesizer
Finish Black
Year 1990s
Categories Digital Synthesizers, Rackmount Synths
Analog / Digital Digital
MIDI I/O MIDI Input, MIDI Output, MIDI Through
Polyphony 16 Voices

FAQs

What kind of sounds can I expect from the Korg M1R?

The Korg M1R is known for its iconic digital sounds, including lush pads, punchy basses, and realistic acoustic instruments, which were groundbreaking in the late '80s and '90s.

Is the Korg M1R polyphonic, and if so, how many voices does it support?

Yes, the Korg M1R is polyphonic and supports 16 voices, allowing for complex sound layering and rich textures.

What are the MIDI connectivity options available on the Korg M1R?

The Korg M1R offers MIDI Input, Output, and Through, providing robust connectivity for integration with other MIDI-compatible gear.

How does the Korg M1R differ from the original Korg M1 keyboard?

The Korg M1R is a rackmount version of the original M1 keyboard, offering the same sound engine and features without the integrated keyboard, making it ideal for studio rack setups.

Can the Korg M1R be used with modern DAWs?

Yes, the Korg M1R can be integrated with modern DAWs using its MIDI capabilities, although some additional setup may be required for seamless operation.

Tiago Mallen

Tiago Mallen

KORG M1r - Review by Tiago Mallen (Test factory sounds) #korg

Video thumbnail for KORG M1r - Review by Tiago Mallen (Test factory sounds) #korg by Tiago Mallen

KORG M1r - Review by Tiago Mallen (Test factory sounds) #korg

Tiago Mallen

Tiago Mallen

Video thumbnail for Korg M1R | Factory Presets Preview by Simon Le Grec

Korg M1R | Factory Presets Preview

Simon Le Grec

Simon Le Grec

Video thumbnail for Best Ambient Synth Shootout #71: Korg M1R - Song 1 by Christian's Sonic Spaces

Best Ambient Synth Shootout #71: Korg M1R - Song 1

Christian's Sonic Spaces

Christian's Sonic Spaces

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Korg M1R.

Features and functionality

  • The M1R shares the same 100 sounds and 100 combos as the M1 keyboard, with deep dive editing being cumbersome.

    Source
  • The M1R lacks a joystick, unlike the M1 keyboard, which may affect hands-on control during live performances.

    Source
  • Surprisingly, the M1R includes a sequencer, a rare feature for rack-mounted synthesizers, which can be advantageous for live or solo performances.

    Source

Mods and upgrades

  • The Korg RE1 controller significantly enhances the M3R, allowing for live effects tweaking and providing a more versatile experience.

    Source

Software and compatibility

  • Owners use MIDI editors on their computers for programming, making rack position irrelevant and enhancing ease of use.

    Source
  • USB-MIDI interface combined with sysex transferring software is essential for loading custom patches onto the M1R.

    Source

Comparisons

  • The M1R is considered dull next to the Korg 01/W, which offers more interesting waveshaping capabilities.

    Source
  • The M1R retains the same sound engine as the M1 and can use the same data cards, maintaining sound consistency across both models.

    Source
  • The N1R, often cheaper than the M1R, offers additional waveforms but lacks the unique "strange windchimes" sound of the M1R.

    Source

Use cases and applications

  • The M1R is noted for adding digital pads and textures, ideal for music styles like Bal Sagoth, using it alongside gear like the XP50 for orchestration.

    Source
  • Users experimenting with pop/rock or solo shows may find the M1R's sequencer beneficial for integrating into live settings without relying on external sequencing gear.

    Source

Setup and maintenance

  • Rack modules like the M1R require careful setup; MIDI editor usage is recommended to overcome positioning challenges.

    Source
  • Using the headphone jack can cause unexpected sound issues; switching to the stereo out port may resolve high-pitched reverb problems.

    Source

User experience

  • Initial sound issues on specific patches can sometimes resolve by experimenting with different output ports on the M1R.

    Source

Critic Reviews

Korg M1R (SOS Jul 89)

muzines.co.uk

The Korg M1R offers the M1's acclaimed sounds in a space-saving rack mount, appealing to those with crowded studios. While praised for its high-quality presets and integrated digital effects, the M1R's limited editing capabilities on PCM samples and lack of advanced synthesis features like pulse width modulation are notable drawbacks. Its compact design and ability to replace PCM samples are strong points, making it a versatile addition to any setup. However, the lack of intuitive software navigation and certain MIDI limitations might frustrate users seeking deeper control. Overall, it's a solid choice for those prioritizing sound quality in a compact form.

4.5 out of 5

Based on 0 Reviews and 10 Ratings

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Artist usage

Add artist
See how Tom Lord-Alge uses Korg M1R

Tom Lord-Alge

Music Producer

...
Verified via Soundonsound

In an article on Soundonsound, mix engineer Tom Lord-Alge is noted for including the Korg M1R in his gear list.

See how Masafumi Takada uses Korg M1R

Masafumi Takada

Keyboardist, Composer

...
Verified via goo blog

最近作っている曲は、バリバリテクノとバリバリオーケストラなのですが、両方の曲調でいわゆる定番!って音が必要だったりします。

んーVIRUS早くこないかなぁー。 新しい音色から曲が出来たりするのは、よくある事なので楽しみです。

KORGのLegacyCollectionのDigitalEditionの方もいいなぁー。 http://www.korg.co.jp/Product/Synthesizer/LegacyCollection/DigitalEdition/

M1RもWAVESTATIONもハードで持っているのですが卓に立ちあがっていません。 やはりこれにしか出せない音があり、特に最近「M1のあの音っぽいのないかなぁー」って思う事が多いのですが、なかなか他の音源ではいま一つな感が否めません。。。

オーケストラ系はSD2導入予定、注文済みです! http://www.h-resolution.com/EastWest/SD2.html

先に使ったもん勝ちっすね(笑)

EASTWESTをみると http://www.soundsonline.com/home.php シンフォニックコーラスのプレイエディション版出ますね。 http://www.soundsonline.com/Symphonic-Choirs-PLAY-Edition-pr-EW-182.html

今はIntelmacしか使ってないので、ちょっと困ってたのですが解決しそうです!

See how Paul Hardcastle uses Korg M1R

Paul Hardcastle

Keyboardist, Composer

...
Verified via Soundonsound

"The M1R gets used for its Bottle Bell patch, but I have to say that I'm a bit disappointed by Studio Electronics' MIDIMini analogue synth, as the tuning drifts quite badly. However, I also have their SE1 analogue synth which is great for bass. Surprisingly, the little Peavey Spectrum Bass also has some great bass sounds that I use — patches three and four. My Vintage Keys is only used occasionally, mainly for the Wurlitzer piano, while the Korg X3 is left set to patch 10, a kind of Rhodes sound. The JV1080 also has a lovely electric piano sound on it, but I'm a bit disappointed with the Technics WSA1R as it doesn't have many really usable sounds. I've just bough a Yamaha CS2X for a bit of fun, for sequencing and so on, and the Trinity I still like."

See how TIM SIMENON uses Korg M1R

TIM SIMENON

Keyboardist, Composer

Interference

...
Verified via Gearslutz

According to Future Music, this item is listed as used by Tim Simenon on recording ULTRA for Depeche MODE

See how Mark Snow uses Korg M1R

Mark Snow

Keyboardist, Composer

...
Verified via Photo

Mark's Korg M1R can be seen near the bottom of his rack in this photo, sourced from his podcast interview at Roadie Free Radio: http://www.roadiefreeradio.com/podcast-1/2016/10/3/mark-snow

See how Kenji Kawai uses Korg M1R

Kenji Kawai

Keyboardist, Composer

...
Verified via YouTube

In this late 2025 promotional video for Arturia, we see inside Kenji Kawai's studio, where a pair of Korg M1Rs can be clearly seen @ 0:51. Kenji has been pictured in this studio with this rack several times over the years, indicating he's been using this rack for awhile now.

See how Gregg Giuffria uses Korg M1R

Gregg Giuffria

Keyboardist

House of Lords

...
Verified via Photo

Gregg Giuffria used the Korg M1R for the clock sound in the intro of the song "O Father" from the "Demons Down" album. This is confirmed by an article in Keyboard Magazine, November 1992, page 108, written by Robert L. Doerschuk.

See how Stuart Kershaw uses Korg M1R

Stuart Kershaw

Drummer

Orchestral Manoeuvres in the Dark

...
Verified via Omd

Included in list of Stuart Kershaw's equipment published in a 1993 issue of Future Music.

See how Michael Bradford uses Korg M1R

Michael Bradford

Guitarist, Composer

The Twisted Brown Trucker

...
Verified via Soundonsound

Michael Bradford's 'Chunky Style Gear'

A big, beefy guy with a penchant for making big, beefy‑sounding records, Michael Bradford aptly names his production company Chunky Style Music. Accordingly, he also has his own chunky style setup at a post‑production facility named Millennium Sound. Mostly MIDI‑related or used to run Pro Tools, this collection of equipment is pretty comprehensive:

Akai S1100 sampler.Alesis ADAT digital multitrack w/BRC.Apple Power Macintosh 9600 running a Digidesign Pro Tools 5.1 Mix Plus system.Casio RZ1 drum machine.Clavia Nord Rack and Nord Modular synthesizers.CM Automation Motormix.Compaq AP500 Pentium III with Windows NT running Pro Tools 5.0 Mix Plus System.Emu E6400 and Emax samplers, Orbit and Planet Phatt sound modules, and E‑Synth keyboard.Korg M1R and N5SR sound modules.Line 6 Pod and Bass Pod.Mackie HR824 hard disk recorder.Mackie HUI control surface.Mackie 3304 mixer.Yamaha FB01 sound module.

See how Phil Coxon uses Korg M1R

Phil Coxon

Keyboardist, Music Producer

Orchestral Manoeuvres in the Dark

...
Verified via Muzines

On stage the two keyboard players have almost identical systems: Ipinson plays a Roland A80 mother keyboard MIDI'd into a rack, an S1000 with 8Meg of memory, an M1R and a D550. He also has a Roland piano module as a safety precaution in case anything else goes down. Coxon's setup substitutes a Cheetah mother keyboard for the Roland and forgoes the piano module.

See how Alan Pasqua uses Korg M1R

Alan Pasqua

Keyboardist, Music Producer

Santana

...
Verified via Photo

In the January 1990 issue of "Keyboard Magazine," the right-side column on page 37 mentions that Alan Pasqua used a Korg M1R as part of his rig with the band Giant. The article was authored by Alan di Perna.

See how Terry Devine-King uses Korg M1R

Terry Devine-King

Keyboardist, Composer

The Style Council

...
Verified via Muzines

"Enter stage left the newest addition to the Cutting Crew fold, session musician Terry Devine-King, who was brought in to play keyboards for the tour, and with him a number of useful pieces of equipment, notably the Roland D-50, Korg M-1R, Roland Super JX-10, Akai S-900 and, oh, deep joy!, a Roland MC-500."

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Korg M1R, it is most commonly used with the following gear.

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Akai S1000 Audio Samplers
8
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Roland D-50 Synthesizers
7
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6
Yamaha TX802
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6
Roland MKS-80 Super Jupiter
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5
E-mu Vintage Keys
E-mu Vintage Keys Sound Modules
4
Opcode Studio Vision
Opcode Studio Vision Music Software
4
Studio Electronics Midimoog
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3

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bubbajones

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dkdivedude

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