Thanks for the tips, I’ll try the MengQi mod definitely. I might make a central rollz5 bistro board with protection diodes and caps, its a cheap enough build that I can also replace anything if it fries.

If it’s paper circuits think someone already mentioned replacing pots on the x-y values - I like to add vactrols to the 10k pot on ultrasound filters. I reccomend dual gang 1m linear pots for gongs and about dogs x values

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Nice, awesome tip. I’ll pick up some dual gang 1m’s and have a play.

I was looking at adding diy vactrols to anything that needs a pot so it’s good to know that someone else has had success with it.

Thank you!

results of my attempt at a namasitar build - i wonder if its the circuit i chose that isn’t designed to give the result i’m expecting? i just pressed the piezo to the bridge of my guitar here. little fiddling with knobs but there isn’t much yield aside from a buzzing noise that doesn’t seem to correlate to anything from the piezo

https://share.icloud.com/photos/0AX_vZqs4dVwkzmWzgTYW8Dzw

Are the Meng Qi Rollz PCBs open source? I can’t seem to buy/find any in EU/UK

did you see this one?
https://modularaddict.com/manufacturer/meng-qi/mengqi-rollz5-pcb

its expensive, SMD and in the US.( but internationally shipped) so perhaps not very helpful…
Meng qi also has an etsy shop but there is no CL boards on there.

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Yes that’s the only one i seen. I really think it is abhorrently expensive. Thonk sold a bunch of them for roughly £30 gbp. Might go down that route if i get a plumbutter , but seems like a bit of a price hike. Open to being corrected on that however.

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I don’t think it’s too bad. You get all the banana sockets as well as the board and there are a lot of sockets on the Rollz!
Of course being in the UK (as I am), you’d have to pay postage, import duty and VAT, which would add another ~$50 to the price.
Also, it’s all through-hole soldering, not SMD, so should be easy-ish to put together.

oops thanks for the correction. looking again you are right.Through hole.

No the PCBs are not, but the schematics are. Kind of.

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Here’s two demos of Meng Qi’s Sidraw, a gestural take on the sidrax/sidrazzi organ.


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Hey! Do you recall what you had for the X values in your randos? Sounds awesome

It’s also not SMD, just finished building one.

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How many hours did it take roughly? Looks good!

Maybe… 10? I dunno, a few different soldering sessions.

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10k in all of them, older 5% gold stripe tolerances (not that that should make any difference)

Cheapo green poly film caps in all of them too.

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hey, i was curious if anyone could offer advice about this - im very much new to synthesis and am slowly learning past the basics (whats available on lorre mill gear basically, lol) and even when it comes to ciat lonbarde stuff a lot of technical aspects are over my head (i love to build them because i think of them as electrified legos) but i’ve been building my confidence and learning aspects of electronics and other things as i keep building and exploring. but i am completely in the dark and intimidated when it comes to coding or any computer language related to music.

all this to say that i want to add an element of playability with the ciat lonbarde sounds to my setup. to do this i was thinking of getting a tetrax or sidrax organ, but the shnth is more in my price range. the tetrax seems to achieve the sounds i want in a relatively consistent way and the interface is very familiar to me, but from what i’m able to understand about the shnth it seems as though it’d be able to achieve tetrax like sounds and behavious, as well as many more. i used to have an organelle and had a blast with it as long as patches werent too menu dive-y (could never figure out orac )

I guess what i’m mainly curious about - would a shnth be useable by someone like myself with little to no experience coding or navigating unconventional computing (i’m a mac boy)? is it’s patch installation interface at all comparable to organelles? or would i be better off saving up for a tetrax?

thanks for any input!

I’m a musician and I love hands-on control. I did study Pure Data for a while, and although it was super interesting, eventually I was spending all my time using my modular system just because it’s so playful and so immediate that it resembles a “real” instrument. The way you describe yourself I would advise you to save for a tetrax or sidrax. You plug it in, you touch it and you make sound. I don’t have a shnth but from all the video’s I watched, it sounds cool but why bother with all the programming if you’re not into it? And if you’re enjoying the Lorre Mill instruments it sounds like you’ll enjoy tetrax or sidrax too. I guess cross-patching is possible too, right?

You seem to be very handy, and I’ve been impressed at how quickly you’ve built the Ciat-Lonbarde circuits so would you be willing to make your own Tetrax?
You can get the precursor (called the Tetrassi) as a paper circuit, and you can also download the Osmond OSM file. You could use the instructions upthread from @mlogger to turn this into a Gerber file and have some PCBs manufactured.
Then look at the assembly instructions:

Just an idea! :slight_smile:

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Hey thank you so much! That means a lot :slight_smile: I’ve actually considered the terrazi build! I’ll go through the menu and think some more

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