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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Patching my Lunetta - Video
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RF



Joined: Mar 23, 2007
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PostPosted: Mon Mar 30, 2009 4:23 pm    Post subject: Patching my Lunetta - Video Reply with quote  Mark this post and the followings unread


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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Tue Mar 31, 2009 7:14 am    Post subject: Reply with quote  Mark this post and the followings unread

This video from RF IS, one of the best Lunetta pieces that I've ever heard! It's really cool as well to hear things start to happen as he connects more of the modules together.
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slacker



Joined: Nov 18, 2007
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PostPosted: Tue Mar 31, 2009 3:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

That's really cool. Probably shouldn't admit it but I had to have a look at that notated picture you'd posted to try and figure out what was going on, I think that's a sign of severe Lunetta addiction Very Happy
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Blue Hell
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Joined: Apr 03, 2004
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Location: The Netherlands, Enschede
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PostPosted: Tue Mar 31, 2009 4:51 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nice one indeed!
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Jan
also .. could someone please turn down the thermostat a bit.
Posted Image, might have been reduced in size. Click Image to view fullscreen.
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loss1234



Joined: Jul 24, 2007
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PostPosted: Wed Apr 01, 2009 4:38 am    Post subject: Reply with quote  Mark this post and the followings unread

wow
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-------------------------------------------- check out various dan music at: http://www.myspace.com/lossnyc
http://www.myspace.com/snazelle
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loss1234



Joined: Jul 24, 2007
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PostPosted: Wed Apr 01, 2009 4:43 am    Post subject: Reply with quote  Mark this post and the followings unread

btw...RF....does this lunetta have the same or similar setup to your old one?

i am still trying to get my head around how you made this awesome video!

thanks

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-------------------------------------------- check out various dan music at: http://www.myspace.com/lossnyc
http://www.myspace.com/snazelle
http://www.soundclick.com/lossnyc.htm http://www.indie911.com/dan-snazelle
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RF



Joined: Mar 23, 2007
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PostPosted: Wed Apr 01, 2009 5:29 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Loss -
Thanks for the 'wow' Smile

This one has many of the same bits - just a couple of notable additions.
The 4051/4017 circuit that Slacker posted is a great circuit I didn't have in the other one. Also, Synthmongers 40106 VCO circuits have a huge range - I didn't have those first time around.

Here's what I used in that patch

3 40106 clocks
2 4094 shift registers
4024 Sub Osc/Freq Divider
1 XOR gate 4030 (just for a bit)
1 4024 Ripple Counter
4017/4051 Pattern & Melody generator
Passive Portamento (Cap and a pot)
R/2R ladder
2 40106 VCO

bruce

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loss1234



Joined: Jul 24, 2007
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PostPosted: Wed Apr 01, 2009 5:46 am    Post subject: Reply with quote  Mark this post and the followings unread

so i am assuming you are running this off of a dual supply if you have the 40106 vco and the R2r (is it the r2r with the opamp that krunkus posted??) and also..what voltage did you go with? 5, +/-9, 12 or 15?)

i have been studying your tagged photo (just found it...a real inspiration) and have some MORE questions!

which 555 vco did you use?

and i cant seem to find that 4051/4017 circuit you are talking about that slacker posted.


an opamp inverter or a cmos one?

also..what do you think of the 4516? you recommend it?

AND a big one...how did you get all of your outputs wired up to LEDS? did you just hang a led with say a 20k resistor off of each output or is it something more complicated?

thanks so much!!

thanks

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-------------------------------------------- check out various dan music at: http://www.myspace.com/lossnyc
http://www.myspace.com/snazelle
http://www.soundclick.com/lossnyc.htm http://www.indie911.com/dan-snazelle
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RF



Joined: Mar 23, 2007
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PostPosted: Wed Apr 01, 2009 6:43 am    Post subject: Reply with quote  Mark this post and the followings unread

loss1234 wrote:
so i am assuming you are running this off of a dual supply if you have the 40106 vco and the R2r (is it the r2r with the opamp that krunkus posted??) and also..what voltage did you go with? 5, +/-9, 12 or 15?)

Yes - it has a dual supply for a couple of the circuits.
The logic is all 5 volt, but I used +-12 volt for the opamps.
Yes - The R/2R is close to what Krunkus posted

Quote:

which 555 vco did you use?
and i cant seem to find that 4051/4017 circuit you are talking about that slacker posted.


the 555 vco is one I posted from EDN magazine some time back - check the bottom of the Lunetta thread. one note on that VCO - it expects 0 to -10 volts on the control voltage, so that's why I initially had an inverter (op-amp) ion the panel. I actually removed it from front panel jacks and hard wired it to the VCO, as my concept for having it on the front panel was flawed.

Slackers melody generator is here.
http://electro-music.com/forum/topic-27239-50.html

Quote:

also..what do you think of the 4516? you recommend it?
AND a big one...how did you get all of your outputs wired up to LEDS? did you just hang a led with say a 20k resistor off of each output or is it something more complicated?


The 4516 - meh. I don't want to think that hard in most of my patches.
I had one, had some room and thought I'd use it....

LED's - I just hang them off the outputs with resistors. I think I used 1k - I wanted them bright and I had no battery life or current concerns. Wink
It would be better to have bigger resistors probably. I find the LEDS really useful to know what's going on in a patch, and I wanted to be able to see them. Try some different sizes and see what works for you.

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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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loss1234



Joined: Jul 24, 2007
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PostPosted: Wed Apr 01, 2009 7:23 am    Post subject: Reply with quote  Mark this post and the followings unread

thanks a lot


I must say your video has gotten me very inspired to start doing Lunetta work again!

my problem was always getting the stuff BUILT> last year i tried out a ton of cmos experiments on the breadboard and was very exited...but these lunettas take so many jacks and switches, and then the audio ark took so much time that i forgot all about it.

but it is a new year!!

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-------------------------------------------- check out various dan music at: http://www.myspace.com/lossnyc
http://www.myspace.com/snazelle
http://www.soundclick.com/lossnyc.htm http://www.indie911.com/dan-snazelle
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Rykhaard



Joined: Sep 02, 2007
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PostPosted: Wed Apr 01, 2009 7:59 am    Post subject: Reply with quote  Mark this post and the followings unread

For all of the LEDs in my Deathlehem Machine, I'm using (specifically!) super-bright LEDs and I'm feeding them from 4k7 resistors. A quite decent brightness. Smile

The power for my entire noise machine is +/- 9VDC.
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synthmonger



Joined: Nov 16, 2006
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Location: flada
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PostPosted: Wed Apr 01, 2009 9:54 am    Post subject: Reply with quote  Mark this post and the followings unread

Nice work! Did you shape the metal case?
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RF



Joined: Mar 23, 2007
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PostPosted: Wed Apr 01, 2009 12:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nope - The metal is an old Bud box - 8*17*3 inches.
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synthmonger



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PostPosted: Wed Apr 01, 2009 12:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

RF wrote:
Nope - The metal is an old Bud box - 8*17*3 inches.


ooo where'd ya get it? Thats a great size for mini synths.
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RF



Joined: Mar 23, 2007
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PostPosted: Sat Apr 04, 2009 7:11 am    Post subject: Reply with quote  Mark this post and the followings unread

The box has been in my garage for a long time. I think it was purchased from Allied Electronics - but that was over 25 years ago. Allied still carries "Bud" items, but on a quick look I could not find anything like this one.
They are a great size - I'd like to find another one or two.

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synthmonger



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PostPosted: Sat Apr 04, 2009 7:29 am    Post subject: Reply with quote  Mark this post and the followings unread

Yeah definitely. That's the perfect size for a Lunetta touch controller I want to build.
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RF



Joined: Mar 23, 2007
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PostPosted: Fri May 22, 2009 5:49 am    Post subject: Reply with quote  Mark this post and the followings unread

[quote="synthmonger"
ooo where'd ya get it? Thats a great size for mini synths.[/quote]

http://www.alliedelec.com/Search/ProductDetail.aspx?SKU=7360012&MPN=AC-412

$28.70 - Allied Electronics

bruce

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