Introductions: Say hello, tell us about yourself and your projects

Hi there,
Synth enthusiast from the Low Countries here. Earlier this year I revived an old dream that I had since college of building my own modular synthesizer after discovering LMNC on Youtube. I find the Kosmo format/phylosophy/aesthetic quite nice, so I’m going for it. I’m also an Electronics Engineer by training, but I rarely have the opportunity to design PCBs professionally. I’m happy I found a way do that as a hobby and can’t wait to make music with the final product!!!

Here’s a picture of the case I built with the “husks” of some modules I’m designing. The only module that’s complete in this picture is the “Adapter Mult” all the way to the left. I decided that this would be my first design because of its simplicity and utility: I plan to use the VCA/Envelope/LFO/etc from my semi-modular synths to test out the Kosmo modules as I build them, so I need a handy way to convert from 3.5mm to 6.35mm jack sizes. And with the toggle switches I can group the “rows” to form a mult if I want to. The module also gives me frontal access to the power buses for testing/troubleshooting module prototypes, as well access to the CV and Gate buses from the Befaco Troley Bus that powers the system.
The other modules for now are only front panels that I made to test out the aesthetics. Will be filled with PCBs soon!

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Great stuff, welcome to the forum. I realy enjoy the PCB desiging when it goes to plan :slight_smile:
Rob

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Hey there Folks Im kyle, I just make music mainly and have always done DIY repair on lots of thing. i really like to build things in general mainly carpentry . My interest in the board itself is for help asking for DIY repair on my insturments, Thanks for having me yall

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Syndiva is a synthesizer system edging threateningly towards sentience.

I am merely her servant and keeper. I move in her shadow.

Syndiva is a stern and strict mistress.

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Hello !

I’m Etienne, a long time reader of this forum but never participate before because I don’t understand a lot about electronic, but it’s going better and better because of you, thank you all.

I made a lot of DIY instruments, so far: hundreds of flutes, fifes, tin whistles and quenas, two bagpipes, an electric ukulele, some unidentified stringed instrument, etc. I also refurbished some very old melodeons. And know I’m in the process of building a modular synthesizer !

Currently, my synthesizer consists of: An oscillator, an LFO, a sequencer (the Dud one, best baby 8 design ever !), a VCF, two A/R EG, a quad VCA/Mixer, and a S&H/ Noise.

For the “no synth stuff”: I live in Marseille, France (so my bad english, sorry), I’m a visual artist, mainly linocuts and woodcuts, and an editor, I’m playing music with my fiends for fun all my life.

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Hello @Etienne!

Welcome, always good to see another DIY instrument maker join the fold. If there is anything you don’t understand in a post please just ask. This is a very friendly and supportive space.

Enjoy

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salut à toi !

hello and thx for the sequencer :wink:

I’m not really active on the forum anymore, but I allways check and follow the posts every day.

happy new year to all !!!

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Hi everyone,

I bought a AAAPPPCCC last week at the musuem as they had one lying around - first soldering project, got all the bits had a practise on an old baord and then dived in - had some teething issues with it though, managed to get it making sound but nothing that convinces me it’s working. It’s high pitched and then the sound dies out, Im thinking my next move it changing the C7 10uf and also I seemed to have gotten a ceramic 2.2uf cap instead of a electrolytic cap for C5, which isnt ideal but I think that pitch related?

You can prob tell I have no idea - in any case looking for help to either diagnose it, or look to to start again in case I’ve got a faulty circuitboard. I can post videos if someone is feeling assistive!

thanks,
Sam.

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Those aren’t interchangable. One is bipolar and one is not.

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thanks krztoff. Specifically, it was a Tantalum one which is bipolar I think? In any case it is wrong, and I will swap it - Im not convinced it’s my only problem though.

well that’s different … tantalums are polar like most electrolytics. it would be weird for a random tantalum to make its way to you though - they’re fairly uncommon. Still should put the right part in though. If that doesn’t help, maybe post a new troubleshooting thread in the DIY category.

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Welcome! Feel free to make your own thread, and upload some pics of the build! Maybe someone can spot the problem. :slight_smile:

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Thanks Caustic, wil do that now!

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Hi, I’m new here… I’m currently working on an extensive Eurorack modular synth I can fully control from the DAW. There even was a VC switch module designed for it according to my suggestion.

I’m also producing music and just got this remix of LMNC’s Eurovision song Eins, Zwei, Drei out which already is popular on Soundcloud.

I’m from Hamburg, Germany BTW and was pretty pleased to see Sam going through all the details of the MS Stubnitz in a YouTube video which currently is located here in Hamburg…

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Welcome to this community.

Jeah!!! The gig on MS stubnitz was a blast, i really enjoyed the location and the show. You are from Hamburg DE? me too. :slight_smile: Sam ha a solid german fan base an a few of us are part of this forum

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Nice to meet a fellow Hamburger :slight_smile:

Thanks for the warm welcome!

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Hi,

i am Hartmut from germany, NRW. Do music with synthesizers for years, but made a long stop.

Restartet music making, mainly using Linux as OS.

Bought some cheap analog synths (you know what brand) the last two years. Started creating modules wit Arduino and ESC32, mainly for CV-things and sequencing.

My wife (yes, thats true) likes the look of modular synths with much cables. So i will build something she likes to watch and listen too, without spending too much money.

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Welcome welcome! Hope you find this space a fun and useful resource, or just a place to post the lil things you make or are messing with.

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@Grenzfrequenz , did you do that from stems ( where ) or use somethign to isolate the tracks?

there are many ways to do stem isolation nowadays.