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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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RF



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

PostPosted: Tue Nov 25, 2008 7:11 am    Post subject: Let's see your Lunetta!
Subject description: More audio would be fine, too....
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Here's mine in its current form

* Quad 40106 Osc with starve pots, synch and ext power inputs.
* Dual 40106 Osc with starve pot and ext power input
* 4094 Shift register
* Dual 4015 Shift register
* 4024 Divider/Sub Osc.
* 4051 CV generator
* 4051 Pulse Pattern generator
* Passive 3 input mixer
* 4011 Ring Mod
* 4011 NAND gate
* 555 VCO
* Six 40106 Osc with two voltage control inputs
* 6 input R/2R Ladder
* 4017 Pulse Divider/Sub Osc
* Simple Portamento
* Passive tone control
* 1/4 inch outputs
* Built in 110 volt power supply


bruce


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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
Location: Indianapolis, Indiana
Audio files: 43

PostPosted: Tue Nov 25, 2008 8:21 am    Post subject: Reply with quote  Mark this post and the followings unread

wow, that thing is dazzling! really, really nice work. do have any schematics handy for these circuits?
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RF



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

PostPosted: Tue Nov 25, 2008 8:35 am    Post subject: Reply with quote  Mark this post and the followings unread

Most of the schematics can be found here within the Lunetta forum.
Not really much to see - most of them are one chip, a few passive components and I/O's to the front panel....

bruce

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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
Location: Indianapolis, Indiana
Audio files: 43

PostPosted: Tue Nov 25, 2008 8:53 am    Post subject: Reply with quote  Mark this post and the followings unread

my fault.. shortly after I posted that request,
I started poking around the other posts. lots of resources here. Thanks RF.
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synthmonger



Joined: Nov 16, 2006
Posts: 578
Location: flada
Audio files: 3

PostPosted: Wed Nov 26, 2008 12:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

Where'd ya get the case and Banana jack and cords?
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synthmonger



Joined: Nov 16, 2006
Posts: 578
Location: flada
Audio files: 3

PostPosted: Wed Nov 26, 2008 12:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

P.S.

Nice work homeslice Wink
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RF



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

PostPosted: Wed Nov 26, 2008 1:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

synthmonger wrote:
Where'd ya get the case and Banana jack and cords?


I got the case holding a bunch of cheap tools for under $20. Smile

The Pamona stacking plugs I got from E-bay. (http://stores.ebay.com/CemPhoto-WorkShop-LLC)
The EF Johnson non-stacking plugs were from Mouser. (Part #530-108-0310-1). The EF Johnson colored jacks were from Mouser (Like Part #530-108-0903-1)

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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
Audio files: 11
G2 patch files: 1

PostPosted: Sat Jan 03, 2009 6:28 am    Post subject: Reply with quote  Mark this post and the followings unread

Here's my first lunetta module nothing fancy it's just 6 40106 oscillators. 2 sub audio LFOs, 2 that go from fast LFO speeds to low audio and 2 audio ones.

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

Just waiting for my banana jacks to arrive to finish it off.
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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
Audio files: 11
G2 patch files: 1

PostPosted: Mon Feb 16, 2009 4:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

Work in progress inspired by RF's Lunetta.

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

The power connection's just temporary until I figure out something more permanent.
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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
Location: Indianapolis, Indiana
Audio files: 43

PostPosted: Mon Feb 16, 2009 4:41 pm    Post subject: Reply with quote  Mark this post and the followings unread

Very nice, slacker.. inspiring.

After I have RFs machine for awhile, I may build a couple add'l modules (once I decide if I need them/what I would want). Right now I'm just spazzing around with the myriad options as is and will likely be for SOME time. Smile

I like that you used reg. stainless steel for the faceplates too. Very cool.
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RF



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

PostPosted: Mon Feb 16, 2009 6:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

Oooh!
That's puuuurdy!

Congrats slacker - I can't wait to see it all filled up and making good sounds.

bruce

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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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scriptstyle



Joined: Jan 22, 2008
Posts: 250
Location: nj

PostPosted: Mon Feb 16, 2009 9:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

my lunetta project has been a long time in the making. but give me a month and i should have the first module mounted and i will post up some pics. by the way slacker very nice and clean looking! where did you get those fancy pots(nice) Wink ?
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slacker



Joined: Nov 18, 2007
Posts: 301
Location: England
Audio files: 11
G2 patch files: 1

PostPosted: Tue Feb 17, 2009 11:28 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks folks Smile

telstarmagikistferrari wrote:

I like that you used reg. stainless steel for the faceplates too. Very cool.


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.

scriptstyle the pots are from Rapid Electronics in the UK. They're a lot more expensive than the 16mm Alphas that I normally use, but they made wiring it up a lot simpler.
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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
Location: Indianapolis, Indiana
Audio files: 43

PostPosted: Tue Feb 17, 2009 12:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

Embarassed

yeah stainless steel might be a tad hard to drill holes into at home..

(or would it be? fuck if I have a clue about fuck)..

Mark
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synthmonger



Joined: Nov 16, 2006
Posts: 578
Location: flada
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PostPosted: Wed Feb 18, 2009 8:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

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


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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
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PostPosted: Wed Feb 18, 2009 8:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

Shocked

*jaw dropping*
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RF



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

PostPosted: Wed Feb 18, 2009 8:41 pm    Post subject: Reply with quote  Mark this post and the followings unread

That's great - Nice layout!
Sounds?

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(Herb Deutsch to Bob Moog ~1963)
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synthmonger



Joined: Nov 16, 2006
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PostPosted: Thu Feb 19, 2009 1:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks!

Sounds coming soon. I posted a sample of two vcos being CV'd by the sub-oscillator/sequencer in this thread:
http://www.electro-music.com/forum/topic-27239-25.html

it's the ultra_blee_machine.mp3 file.

FYI I built it specifically for a show that I had recently. I wanted stereo sound that I could process through a modular synth as well as control it. That's why there are two Envelope Followers with gate outputs. It worked out pretty well.

As for audio/video sample I will be posting a video by this weekend of it in action with the sound recorded directly to the computer.

The case was built rather quickly with MDF which was the only spare wood I had. I'd like to rebuild the case for it, but I don't have time as I'm so caught up in other projects.

I decided to sell it too. Being that the case is a bit of an eyesore I'm selling it pretty cheaply on my etsy store. If anyone is interested you can check it out here http://synthmonger.etsy.com
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synthmonger



Joined: Nov 16, 2006
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Location: flada
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PostPosted: Thu Feb 19, 2009 1:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

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?
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synthmonger



Joined: Nov 16, 2006
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PostPosted: Thu Feb 19, 2009 1:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

I forgot to mention that I did make the layout but my friend cut the panels and the layout which is why they look half-assed. If you want something done right, do it yourself! Wink Smile
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Adam-V



Joined: Jan 29, 2007
Posts: 300
Location: Australia
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PostPosted: Thu Feb 19, 2009 3:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

Here's my lunetta layout - I'm in the process of making the panel in bakelite but it's real bastard to drill so progress is slow.

Cheers,
Adam-V


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synthmonger



Joined: Nov 16, 2006
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PostPosted: Thu Feb 19, 2009 4:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

You've earned a standing ovation from me for that layout!

I can't wait to see it ready to go. Please do a build progress!
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scriptstyle



Joined: Jan 22, 2008
Posts: 250
Location: nj

PostPosted: Thu Feb 19, 2009 7:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

wow thats awesome!!! now i feel like my jam packed design needs some of the cool stuff you have. i have a acouple questions?

1. what is the dual monostable design?

2.the manual logic, is it constant 1 or 0?

3.the logic constants are these similar to the manual logic but the red ones output a 1 and the green output a 0?

4.what ic are you using for the magnitude comparator.

5. and are you using banana's? im guessing no cause you have the multiples.

well it looks great cant wait to see more i second the build report!!
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Adam-V



Joined: Jan 29, 2007
Posts: 300
Location: Australia
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PostPosted: Thu Feb 19, 2009 7:47 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the compliments guys.

To answer your questions scriptstyle:
The dual monostable is just that: two monostable mulitvibrators or one shots. They work just like gate/trigger delays or gate extenders in a modular synth.

The manual logic module is just a set of 3 position toggle switches that can set logical levels. Up = 1, Centre = 0 and Down = 1 but is momentary.

The logic constants work exactly as you guessed, red = 1, green = 0.

I haven't built the magnitude comparator yet but I was planning on using the 4063.

I am using banana jacks but I dislike the stacking function as they stick out too far when stacked and I find the stackable plugs to be too bulky for use where the jacks densely packed.

Cheers,
Adam-V

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fluxmonkey



Joined: Jun 24, 2005
Posts: 696
Location: cleve

PostPosted: Thu Feb 19, 2009 7:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

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

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