Bringing this Dual State Variable Resonant Filter to KOSMO Format
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9,780 resistors to go!
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I know right⌠look at all that space the circuit could have been on the Jack board yada yada BUT - now I donât hafta run separate Files for Standalone Dubers
Its a 2 in 1 module lol.
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How do you do curvy lines in KiCad?
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Looks like Stretch or svg2shenzen.
I believe @d42kn355 has made a thread about it somewhere but it appears to have been lost to the ether.
Plugins from RF Tools
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Did not want to send the hihat off to jlcpcb alone, so I quickly designed a 2.5cm buffered mult Now I need to check kosmodulargrid for other stuff I might want to order, itâs great for that alone!!
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You can now do curves in kicad 6! Itâs pretty fun
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My ladder filter with custom âdual gangâ potentiometer. I hijacked the input attenuator and combined it with the resonance. With a bit of rescaling there is no annoying drop off in volume as you turn up the resonance as is typical in every ladder filter design since Bob Moog.
Apparently it was intentional to compensate for the screaming self resonance, but Iâd prefer a uniform output volume
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From ARP VCF 4072
The output buffer stage is also used to compensate the loss of low frequencies that is generally observed at high resonance in 24db/octave filters such as the famous Moog ladder.
Curiously enough, neither Bob Moog nor Alan Richard Pearlman cared to compensate for this loss. This is strange knowing that it is quite a simple modification. Such compensation was introduced by Roland for the filter of their nowadays very sought after TB303 !
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I read a few synths had âfixes.â modern synths are still being made with no compensation, however. My pro 1 probably loses 60% of its volume from 0-40% resonance.
Not such a big deal other than being annoying in a modular system but Iâm working on a standalone mono synth where it would be REALLY annoying to me.
Ideally I can select any combo of waveforms and filter settings and not have to touch the output volume
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Yummy spaghetti Ă la fyrall !
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it is a nest for birds ? 
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This is great, who made this?
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Thx for the link, really good !
Now i imagine some birdâs module on several row like a perch, a bird modulâart system 
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