To be honest, it sounds very noticeably more hissy to me the mod, and not so much "snappy" as just raspy and nasal!
However, different people's ears have quite different high frequency response characteristics, especially as age, ahem, matures us.
So, if it sounds good to you, enjoy! :)
David
--- In PolySix@yahoogroups.com, "chipaudette" <chipaudette@...> wrote:
>
>
> Here's a full post showing how the mod can be done. I give schematics and some pics and the basic audio demo that was linked earlier:
>
> http://synthhacker.blogspot.com/2013/07/polysix-bypassing-post-effects-vcf.html
>
> At the end, I also analyze the background noise in each condition. I found that defeating the post-effects VCF by forcing open the filter actually ∗lowers∗ the noise from 100-1000Hz compared to the stock synth. But, it also exposes more of the synth's noise above 2 kHz, as expected.
>
> By removing the VCF (by pulling U15 and jumpering to R168), though, you get the lower noise value in the 100-1000Hz range ∗and∗ you get only a very slight increased in noise above 2kHz. Win-Win!
>
> Chip
>
> --- In PolySix@yahoogroups.com, "chipaudette" <chipaudette@> wrote:
> >
> >
> > Here's a sound demo of the mod that we've been discussing. It's a very basic demo, but you'll definitely get the idea of how defeating/removing this VCF really opens up the sound...
> >
> > https://soundcloud.com/synthhacker/korg-polysix-sound-of-removing
> >
> > Pretty dramaitc, eh? I call this one "The Snappy Mod". And, because it can be done non-destructively, I highly recommend it!
> >
> > A full post with schematics, pics, and graphs will come later.
> >
> > Enjoy!
> >
> > Chip
> >
>