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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Let's see your Lunetta!
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JingleJoe



Joined: Nov 10, 2011
Posts: 878
Location: Lancashire, England
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PostPosted: Fri Jul 13, 2012 1:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

Cynosure wrote:
JingleJoe wrote:
my baby brother likes the sounds it makes Very Happy

*bobs head with JingleBaby* cheers

Jinglebaby Approved. The sign of quality!
I liked them sounds too! couldn't write a long post because I was holding a baby Rolling Eyes
Have you got a thread about the details of your lunettas, Draal? Seems like you should make a nice little compendium now Smile "Ye Threade of Ye Olde Draal's Big fuggin' Lunetta" Very Happy

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Draal



Joined: May 18, 2010
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PostPosted: Fri Jul 13, 2012 3:36 pm    Post subject: Reply with quote  Mark this post and the followings unread

JingleJoe wrote:
Cynosure wrote:
JingleJoe wrote:
my baby brother likes the sounds it makes Very Happy

*bobs head with JingleBaby* cheers

Jinglebaby Approved. The sign of quality!
I liked them sounds too! couldn't write a long post because I was holding a baby Rolling Eyes
Have you got a thread about the details of your lunettas, Draal? Seems like you should make a nice little compendium now Smile "Ye Threade of Ye Olde Draal's Big fuggin' Lunetta" Very Happy


Thanks for the comments guys! I have a pretty amateur blog mentioning some of the things I've built, tested. I do need to make it a bit more polished with more pics and descriptions of my machines though. Time is my enemy Laughing !

My blog: cmoslove@blogspot.com

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mosc
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PostPosted: Mon Jul 16, 2012 12:20 pm    Post subject: Reply with quote  Mark this post and the followings unread

Draal, nice Lunetta and baby; his sounds are great too... Smile
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textual



Joined: Dec 05, 2009
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PostPosted: Tue Aug 14, 2012 7:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

been a while since I began this guy.. its been done though since May.
Posted Image, might have been reduced in size. Click Image to view fullscreen.

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PHOBoS



Joined: Jan 14, 2010
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PostPosted: Wed Aug 15, 2012 5:25 am    Post subject: Reply with quote  Mark this post and the followings unread

that looks like a great machine! I bet it's gonna provide a lot of future fun Very Happy
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JingleJoe



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PostPosted: Wed Aug 15, 2012 7:07 am    Post subject: Reply with quote  Mark this post and the followings unread

You need to make a thread for that and fill it with demos!
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Draal



Joined: May 18, 2010
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PostPosted: Wed Aug 15, 2012 7:47 am    Post subject: Reply with quote  Mark this post and the followings unread

It's a sweet machine. Hey text, show em some of your old clips on this bad boy! Of course anything new is jackson dancing
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textual



Joined: Dec 05, 2009
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PostPosted: Wed Aug 15, 2012 10:38 am    Post subject: Reply with quote  Mark this post and the followings unread

yes there are lots of demo vids at youtube/textualmusic

and a full description etc.. at www.dlbelectronics.com

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droffset



Joined: Feb 02, 2009
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PostPosted: Wed Aug 15, 2012 11:27 am    Post subject: Reply with quote  Mark this post and the followings unread

That's very awesome Textual, great work.
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Check out the FREE Intro to Lunettas Document
https://docs.google.com/Doc?docid=0AZIwOP-PR9sSZDlidzgzbV8wY3RjenJqanY&hl=en

Edit: Spelling mistakes.
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mosc
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PostPosted: Tue Aug 21, 2012 12:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

droffset wrote:
That's very awesome Textual, great work.


I quite agree!

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transponderfish



Joined: Feb 09, 2012
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Location: 3rd from the sun

PostPosted: Tue Aug 21, 2012 4:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hello everybody,

to introduce myself, here is something that qualifies as a Lunetta, a 4093 NAND (left, wooden box) patched into an APC (green box). It has almost every mod I found on the web, 3 modulation inputs and a 555 LFO. What I like best is the starve pot, which makes it very noisy together with the additional pots and switches. I am not really able to play it the way I see it on all the YouTube videos (a quality I like).



Note the cases: The green one is from the Swedish furniture outlet, the plastic is nice to work with and you can take off the lid, which is great for drilling and soldering.
The left one (wood) is a cutlery box from the same furniture outlet. I bought several of them because they were dirt cheap, look nice and I bought some birch plywood to make faceplates for them. Someday I hope they will end up as standalone with proper plexi or metal covers.

Above, you can see what I am working on: an old violin case that will be the home of my Lunetta (the 4093 will be the first module). I want it to be a self-contained machine which I can play on my lap, that's why I put a speaker in it (silver, left side). The woodwork is almost done (glueing cracks, inserting the plywood for the faceplates/controls), next is soldering and drilling.

Let me end saying that I have been lurking here for quite a while, and want to say a big Thank You to all you people sharing their knowledge here and elsewhere. I have learned a lot from you, Kudos. Very Happy
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textual



Joined: Dec 05, 2009
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PostPosted: Tue Aug 21, 2012 7:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

transponderfish wrote:

Let me end saying that I have been lurking here for quite a while, and want to say a big Thank You to all you people sharing their knowledge here and elsewhere. I have learned a lot from you, Kudos. Very Happy


Nice! great machines! welcome to the forum!

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textual



Joined: Dec 05, 2009
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PostPosted: Tue Aug 21, 2012 7:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the comments, here is a recording from recent.. [url][/url][/code]
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tjookum



Joined: May 25, 2010
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PostPosted: Wed Aug 22, 2012 2:24 am    Post subject: Reply with quote  Mark this post and the followings unread

wow, that was beautifull! thanks for sharing textual
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attdestroyers



Joined: Mar 29, 2012
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PostPosted: Wed Aug 22, 2012 1:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

Textual - Best lunetta recording ever. Beautiful is definitely the word.

I'm jealous
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RingMad



Joined: Jan 15, 2011
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Location: Montreal, Canada
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PostPosted: Thu Aug 23, 2012 6:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

A little jam with my thing, which is STILL on the breadboards. It's getting close to critical mass, but there are still details I have to work out before building a more permanent home for it. And a good name to find for it!

In the meantime, some fun. In this video: a pseudo-random 4-bit generator (40174+4070) feeds an R/2R DAC. The resulting voltage is split and sent to two things:
1. a 4046 VCO with a glide control
2. the CV-in of a 4023 pulse-width-modulation oscillator, which then goes through a triangle waveshaper (4011+4015).



[ link: http://youtu.be/JWXbtgKunJY ]

James
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Mikmo



Joined: Dec 01, 2005
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PostPosted: Fri Aug 24, 2012 1:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

Keep the cat of the table Smile

I really like the senation of multiple things going on at the same time.

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Draal



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PostPosted: Fri Aug 24, 2012 3:48 pm    Post subject: Reply with quote  Mark this post and the followings unread


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textual



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PostPosted: Fri Aug 24, 2012 7:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

RingMad wrote:
A little jam with my thing, which is STILL on the breadboards. It's getting close to critical mass, but there are still details I have to work out before building a more permanent home for it. And a good name to find for it!

James


really awesome sounds man..

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nathanxl



Joined: Apr 24, 2012
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PostPosted: Sat Aug 25, 2012 3:00 am    Post subject: Reply with quote  Mark this post and the followings unread

RingMad wrote:
1. a 4046 VCO with a glide control
James


Really nice Ringmad.

What did you endup doing to get glide/slew control?
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JingleJoe



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PostPosted: Sat Aug 25, 2012 3:15 am    Post subject: Reply with quote  Mark this post and the followings unread

nathanxl wrote:
RingMad wrote:
1. a 4046 VCO with a glide control
James


Really nice Ringmad.

What did you endup doing to get glide/slew control?


If it was my suggestion: Pre-emptive you're welcome.
If it wasn't: pre-emptive, thanks for the tip Wink

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RingMad



Joined: Jan 15, 2011
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PostPosted: Sun Aug 26, 2012 6:40 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks all for kind comments.

nathanxl wrote:
What did you endup doing to get glide/slew control

Well, JingleJoe helped, but ultimately I followed the corrected "Glide4" schematic found in this thread: http://electro-music.com/forum/topic-35379.html .

Except I used a 15nF cap and half an LM324 (in unipolar)... which isn't a JFET opamp AFAIK, but it's what I had to hand and it sounded good to me, so didn't bother digging out a TL072 or something. Using a cap larger than 22nF seemed to mangle the sound too much for my taste... the way I have it now gives a nice triangular sortof sound I like.

James.
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nathanxl



Joined: Apr 24, 2012
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PostPosted: Sun Aug 26, 2012 7:08 am    Post subject: Reply with quote  Mark this post and the followings unread

RingMad wrote:
I followed the corrected "Glide4" schematic found in this thread: http://electro-music.com/forum/topic-35379.html .

James.


I hadnt seen this thread but Its very similar to the slew I used on my R2R DAC module.
Reading through it gave me the tip on how to fix the pitch drift when turning the pot.
Thanks and great sounds.
N
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PHOBoS



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PostPosted: Sat Oct 20, 2012 6:19 am    Post subject: Modular Lunetta Reply with quote  Mark this post and the followings unread

Last week I finally started on a modular lunetta system. I really like banana's (jacks and fruit banana)
but they are a bit too pricey and you need a lot! And the PCB connectors are a bit to flimsy for my liking.
So I decided to use the bolts and crocks method after having some experience with this (and being
quite pleased with it), when I was working on some synth stuff.

but what really got me started is when I realised that I could use perfboard to make the front panels.
It's very easy to cut to the right size, you can solder components on it directly (great for mounting LED's)
and you don't need to measure anything when drilling holes for bolts/switches/jacks and whatnuts.
just count the holes for the right spacing. Very Happy

I used PCB connectors to mount the boards that hold the chips and other components. and on some modules
I also used them as an actual connector at the same time. I'm not completely sure yet about what I'm
gonna use for the power distribution, but I think I'll use cinch connectors like attdestroyers (but with + & - combined)

And I just found out that the space between the mounting holes and the edges of the fronts is just
right to mount them on a rail Razz spacing between top and bottom isn't a standard rack size so I have to
make something custom, but this will make mounting the modules very easy.

so here are some photo's I'll post more info about them at some later time, but feel free to ask,..


modlunetta - 01.jpg
 Description:
first 4 lunetta modules:
Power input / flame-LED oscillators / 4040 divider / triple R2R
 Filesize:  1.42 MB
 Viewed:  176 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

modlunetta - 01.jpg



modlunetta - 02.jpg
 Description:
first 4 lunetta modules: backside
 Filesize:  1.42 MB
 Viewed:  149 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

modlunetta - 02.jpg



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Last edited by PHOBoS on Sat Oct 20, 2012 10:31 am; edited 2 times in total
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elmegil



Joined: Mar 20, 2012
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PostPosted: Sat Oct 20, 2012 6:32 am    Post subject: Reply with quote  Mark this post and the followings unread

Putting the rest of us to shame, as usual Laughing
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