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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
hmmm ?!
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StrictKopf



Joined: Feb 17, 2018
Posts: 13
Location: Germany
Audio files: 4

PostPosted: Sat Apr 07, 2018 8:07 pm    Post subject: hmmm ?! Reply with quote  Mark this post and the followings unread

A live recording on an old cassette tape of my grandmother, who is dead since years and years...until now I only have my "toys" ( monotron duo, bastl kastle, standuino fraAngelico ), still waiting, until my modular is finished --- but i gave my best....and I like it - i will not force you to like it too Rolling Eyes


I would need a recomendation for a halfway good and easy to build vco and a very good , easy to build filter....*sigh*


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Harry



Joined: May 09, 2017
Posts: 15
Location: Texas

PostPosted: Sun Apr 08, 2018 4:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

Doesn't get any easier than the 4046 vco.
https://hackaday.com/2015/08/07/logic-noise-4046-voltage-controlled-oscillator-part-one/
You can also use a 555 timer for a dead simple vco.
Of course the more features you require the complexity will increase.

The filter portion of ray wilson's weird sound generator is pretty decent.
Posted Image, might have been reduced in size. Click Image to view fullscreen.
If you're interested I can go through my notes to see how I was able to get the cutoff voltage controllable. I didn't have any luck with a resonance control, but is resonant as is. Again, there are much better filters out there with a much higher level of complexity.
Maybe as a step up, you can try a state variable filter. A nice feature of these is that you'll have simultaneous high-pass, low-pass and band-pass outputs.
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g.gabba



Joined: Nov 29, 2008
Posts: 285
Location: berlin
Audio files: 18

PostPosted: Mon Apr 09, 2018 6:41 am    Post subject: Reply with quote  Mark this post and the followings unread

nice,
sounds like the Neubauten playing in a bunker next door Wink

vco: http://electro-music.com/forum/post-292718.html

ps: i would guess "online music" would be the better sub forum for that
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