GuinGuin Instruments MME DIY Eurorack Minimoog Clone

GuinGuin-Instruments · MME Demos - Multitracked.

The following are some initial details via GuinGuin's Julien Delgoulet on the Modwiggler forum:

PCB, rare parts and Panel kits available here.

Build guide with BOM on github.

My name is Julien Delgoulet, I'm a synth DIY passionate from a little town in France called Brive-La-gaillarde. I usually spend my time lurking on muff, matrixsynth , electro-music.com when I'm not repairing, moding or designing synth related circuits.

For quite a long time, I dream to own a Minimoog but never had the cash to buy one ...

About a year ago, a friend of mine get one and, after playing a few times with it, I decided to give it a go. (By that time, I did not know that this project will fill all my nights and week-ends ... fortunatly I have a
wonderfull wife :love: )

The initial target was to make an exact replica but finally ends up with what I call "Mini-modules" (Think ARP like sub-modules for Filter, VCO etc) for any format : eurorack / Moog 5U, you name it. Also, they could fit behind a "real minimoog sized panel".

All the design are exact replica of the Minimoog rev 2.0 (the one based on CA3046 expo converters) and are all using thru-whole components (excepted a few components that only exist in SMD packages)

So, let me introduce you the idea of "Mini-modules" and the control boards that actually "activate" them.

There will be 6 "Mini-modules":

- VCO
- VCA/Preamp
- VCF
- VCF Env
- VCA Env
- Noise/mod-mix/glide

There will be also 7 "Controller boards" :
- One for each mini-module (so you get an eurorack version of each for example).
- Another, my favorite one, which is 60HP eurorack version where 3VCOs, VCF etc plug into. ( I choose 60 HP so that if you have a 84HP case, you still have some room for a real LFO, a midi/CV interface etc)


At the moment, everything works great, I'm finalizing the "Mini-modules" and the 60 HP Controller Board to hold them.

To give you an idea of the progress made so far , here are some pictures of old prototypes and "Mini-modules" eagle boards. More to come in a few days...

As you might except, this will be a DIY project and I will propose PCBs, BOMs and schematics so that "everyone" can build his own Mini ;-)

I'm so thrilled to expose this project to you guys ,particularly on muff (where I've been more than a lurker and not very helpfull to the communtiy) and
hope you are excited as I am about this project now it is not "secret" anymore :party:

Julien

Roland JD-990 - Moving Galaxy performed by Chronos

video upload by LFOstore

"From our soundset: https://u.to/95uhGw

Enjoy!"

LFOstore JD-990 posts

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"This one has had a custom vinyl overlay from Style-Flip fitted. It’s been neatly stuck on but can be easily peeled off without any glue residue or mess."

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"Exploring the softer side of the OB-6, this time with the CME XKey 37 for polyphonic aftertouch. Most of the reverb is coming from the Alesis vintage rack stack: MV II Preset 28 (XLarge Warm 5s), MVII Preset 29 (XLarge Warm 15s), QV Preset 75 (Taj Mahal). The Audiothingies Doctor A adds some modulated delay and a small touch of concert hall reverb. The polyphonic aftertouch on the CME XKey is very difficult to control, and I've got the sensitivity turned all the way down. The cool thing is that any chords played on the XKey will have a natural chorus effect, as it's impossible to play all the notes with the same amount of downward pressure. Flaws (and lack of ability) aside, the results with the XKey can be stunning, so I'm keeping it for now."

JL COOPER 16X20 MIDI PATCH BAY MSB 16/20

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"One used MIDI patchbay with 16 IN and 20 OUT ports in excellent used condition. Comes with documentation. This plugs in to 110 AC so no wallwart. From a home nonsmoking studio. I'm selling because my MIDI setup is much smpler now.

The MSB 16/20 allows any of 16 IN ports to go to 1 or more OUT ports. (The reverse isn't true because there is no MIDI merge.) You can also build patch assignments and then save them to 64 stored programs. Recalling them is just a button push or two. Finally once you have assigned these patch assignments you can also send the MSB program changes from a remote MIDI device.

There is a battery backup and you can see from the pictures that the 3 volt battery is putting out 3.4 volts so its in good shape."

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