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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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synthmonger



Joined: Nov 16, 2006
Posts: 578
Location: flada
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PostPosted: Thu Feb 19, 2009 8:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

bbob wrote:
synthmonger wrote:
This is all lunetta minus the CA3080 VCA and op-amps used for the EF, EG and mixer....which could've been done with a 4069 ;x


beautiful thang... now matrixsynth, so i'll bet someone snaps it up. what circuit did you use for the envelope follower?

b


Same one from the nurse quacky, with a spare op-amp as a typical gate converter.
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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
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PostPosted: Fri Feb 20, 2009 2:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

synthmonger wrote:
slacker wrote:

It's actually aluminium, the photo makes it look much shinier than it is. It's stuff the you use to make splashbacks for your kitchen work tops. It's cheap and it's just about stiff enough.


Where'd ya get the panels?


I got the aluminium sheet for the panels from B&Q, a big UK DIY/home improvement superstore.
The sheets are 12cm x 100cm, and I just used tin snips to cut the panels to size and cleaned up the edges with a file.
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RF



Joined: Mar 23, 2007
Posts: 1493
Location: Northern Minnesota, USA
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PostPosted: Sat Feb 28, 2009 9:18 am    Post subject: Reply with quote  Mark this post and the followings unread

So I started my Lunetta 2.0 this week - inspired to get moving by Andrews 24 hour Lunetta project.
Since 24 hours straight would not go over well with my wife or employment - I worked on it a few evenings this past week, and pretty much finished up the perf board this morning. Depending on how the panel comes together I may be able to add one or two chips - but it's getting tight.

Here's what we've got so far
6 40106 Oscillators/
2 4094 shift registers
4024 Sub Osc/Freq Divider
4089 Freq. divider
4 XOR gates 4030
2 4024 Ripple Counter
2 4015 Shift Register
4516 Up/Down counter
4051 Mux/DeMux
4017/4051 pattern generator
R/2R ladder
2 40106 VCO (Tnx Synthmonger!)
555 VCO
4 input audio mixer w/ line out and Headphone Amp

I'm laying out the panel on a 17"x8"x3" aluminum 'Bud' box.
Right now it's a tangled mass of flying wires....but it promises to be a fun toy.


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Blue Hell
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Joined: Apr 03, 2004
Posts: 20702
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PostPosted: Sat Feb 28, 2009 10:21 am    Post subject: Reply with quote  Mark this post and the followings unread

RF wrote:
So I started my Lunetta 2.0 this week


wow, this starts to look like brain surgery Shocked Laughing

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RF



Joined: Mar 23, 2007
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PostPosted: Sat Feb 28, 2009 10:45 am    Post subject: Reply with quote  Mark this post and the followings unread

Blue Hell wrote:

wow, this starts to look like brain surgery Shocked Laughing


lol - the flying wires have gotten a bit out of hand, haven't they? Confused

Actually though, I just mentioned in a PM that it's nice to not have to use the brain much putting these together. Peek at the data book, add a few resistors & bypass caps and send the IC pins to the panel...

Don't be put off building one of these by my mess!

bruce

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telstarmagikistferrari



Joined: Jun 16, 2008
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PostPosted: Sat Feb 28, 2009 11:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Looks like a great start and if 1.0 is any indication, should sound great too..

Any new modules you'd care to share schematics of on this thread, rf? I'm curious what other chips i might use if I make a 1.5 side-kit Lunetta. Not sure at this point whether it's necessary as I've been getting crazy sounds out of the suitcase I have.
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Blue Hell
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Joined: Apr 03, 2004
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PostPosted: Sat Feb 28, 2009 11:58 am    Post subject: Reply with quote  Mark this post and the followings unread

RF wrote:
lol - the flying wires have gotten a bit out of hand, haven't they? Confused


It looks great actually, as in "nice picture" Cool

And indeed people should not feel intimidated to much; after all one starts with one wire and then it builds up a bit ... Wink

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droffset



Joined: Feb 02, 2009
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PostPosted: Sun Mar 01, 2009 5:54 am    Post subject: Reply with quote  Mark this post and the followings unread

wow it's a lot of wiring, hehe.

Here's another iteration of mine, starting to fill out more bits.

Posted Image, might have been reduced in size. Click Image to view fullscreen.

The 40106 oscillators and some other stuff lives on another panel

Posted Image, might have been reduced in size. Click Image to view fullscreen.

Can't wait to fire it up!
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
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PostPosted: Sun Mar 01, 2009 5:26 pm    Post subject: Reply with quote  Mark this post and the followings unread

Deleted, manually.
Last edited by Rykhaard on Fri Nov 04, 2011 3:45 pm; edited 2 times in total
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RF



Joined: Mar 23, 2007
Posts: 1493
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Sun Mar 01, 2009 8:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nice Cab!
You are gonna have room for a LOT of modules!

I've crowded myself on mine. I've had this bud box in the garage for... seriously 10 years or more. I guess it's time to use it.
It's got a few bonus holes from its previous life I'm trying to work around or with - to varied levels of success.

Anyway - here's where I'm at on this one.

bruce


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telstarmagikistferrari



Joined: Jun 16, 2008
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PostPosted: Mon Mar 02, 2009 12:41 am    Post subject: Reply with quote  Mark this post and the followings unread

Shocked

you guys are doing some great stuff! Keep it up.
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stolenfat



Joined: Apr 17, 2008
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Location: Sunny Oakland California
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PostPosted: Mon Mar 02, 2009 12:49 am    Post subject: Reply with quote  Mark this post and the followings unread

wow! every one: awesome job! all i need is some sort of jig to slice some wood i found to start making panels.
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slacker



Joined: Nov 18, 2007
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PostPosted: Mon Mar 02, 2009 4:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Great looking stuff, can't wait to hear 'em.
I like the way this thread has suddenly sprung to life.
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Rykhaard



Joined: Sep 02, 2007
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PostPosted: Mon Mar 02, 2009 9:06 am    Post subject: Reply with quote  Mark this post and the followings unread

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theMinister



Joined: Jun 09, 2007
Posts: 14
Location: North America

PostPosted: Mon Mar 02, 2009 9:26 am    Post subject: Reply with quote  Mark this post and the followings unread

i got a new job about a year ago and have just started to get used to the schedule of traveling while working nights and being awake during the weekend with my wife and kids. so after a year of reading this forum dreaming of the noise i could be making i finally sat down and worked it out. i have a lot of soldering ahead of me. i hope i remember how Embarassed


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Rykhaard



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PostPosted: Mon Mar 02, 2009 10:00 am    Post subject: Reply with quote  Mark this post and the followings unread

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RF



Joined: Mar 23, 2007
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PostPosted: Mon Mar 02, 2009 10:26 am    Post subject: Reply with quote  Mark this post and the followings unread

Looks great, theMinister! I'm curious also as to what you have in the box and what is planned to be added.

I moved almost a year ago now - it does take a while to get settled. Welcome back!

bruce

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theMinister



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PostPosted: Mon Mar 02, 2009 2:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

thanks guys.
currently working on getting everything soldered to go in the case.
8 x 40106 oscs, 4 with sync out 4 with sync in (as per the bugbrand design)
4 x nand gate oscs each with an input jack so they can be modulated (based on the nic collins book)
the big section of jacks in the middle will be for some gates of some sort, i have to check and see what chips i have. there's also a row for 1 and a row for 0, somebody's layout had that, i thought it was cool.
the colomn of 1/4" and banana jacks is the mixer section. four inputs each with an output and a master/head phone out.
i realized as i was putting everything in that i forgot a power switch and volume control so that will probably stick out like a sore thumb.
i don't really plan on labeling anything, maybe just with lines connecting related things together. the layout is such that inputs are above their respective outputs. on the oscs with an in and out the pot is in the middle.
the case is from a touch and tell, one of my first circuit bending attempts. i fried something and threw it in the corner and left it for dead. that was three-ish years ago. and my wife thinks i should start thowing stuff out, ha!
hopefully by the weekend i'll be posting the finished product with some sounds. i'm pretty anxious to hear it all together off the breadboard.

i really have to thank everyone for motivating/guilting me into this stuff again. everybody on this board does such amazing things.
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monokinetic



Joined: Aug 01, 2006
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PostPosted: Tue Mar 03, 2009 11:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

@RF:
This is a slightly nerdy question, but which gauge of cable are you using for your flying wires brain surgery work of art? I have to do most of my ordering online so I can't really judge which cable would be suitable for me Smile

Or does anyone else have any recommendations?

TIA

David
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Pehr



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PostPosted: Wed Mar 04, 2009 12:21 am    Post subject: Reply with quote  Mark this post and the followings unread

nice builds everyone Very Happy
I've not come that far. Still in the planning stages, but I have a cabinet Cool
http://2.bp.blogspot.com/_yLuzXJnw-D4/SIC6uBcXUDI/AAAAAAAAADU/9HgIrFP18Iw/s1600-h/DSC_0288.JPG

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Rykhaard



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Rykhaard



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PostPosted: Wed Mar 04, 2009 1:13 am    Post subject: Reply with quote  Mark this post and the followings unread

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monokinetic



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PostPosted: Wed Mar 04, 2009 2:11 am    Post subject: Reply with quote  Mark this post and the followings unread

Cheers Rych,
You really are wonderfully helpfull Smile

BTW This weekends project is to strip board your new oscillator, but thanks for the offer of PCB in the other thread Wink

David
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droffset



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PostPosted: Wed Mar 04, 2009 4:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh hell yes. My Lunetta might not look like much but she's a screamer alright. Did some playing around with it this evening and, oh yes, you can bet I'm going to add some more oscillators and Ics. yayyyyyyyyy.

Will also make it prettier. That's the easy part.

Also need to sort out a better power hub. You can see where the modules are branching out from, on that bit of perfboard are some power caps.

I'm afraid to plug it into my sound card, do you think i'll ruin something?

Posted Image, might have been reduced in size. Click Image to view fullscreen.
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RF



Joined: Mar 23, 2007
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PostPosted: Wed Mar 04, 2009 4:37 am    Post subject: Reply with quote  Mark this post and the followings unread

monokinetic wrote:
@RF:
...which gauge of cable are you using for your flying wires brain surgery work of art?

David


Hi David -

#24 pre-bond from Small Bear Electronics.
It's pricey compared to scavanging ($5 for 50 feet) - but it's so easy to work with.

http://www.smallbearelec.com/Categories.bok?category=Wire+And+Cable&searchpath=236&start=9&total=14

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