Korg Poly800/EX800 Users

how about a way to overdrive the vcf or vca?

--- In korgpolyex@yahoogroups.com, "korgpolyex800" <korgpolyex800@...>
wrote:
>
> Spent a bit more time on the FM-800 mod today. The effect only works
> when you have high sustain set on the source DCO. I have used a
> digital switch to allow selection of either DCO1 or DCO2 but it
> doesn't work very well in Single DCO mode because it only modulates
> the filter every second note. But we can change that so that an
> extended parameter would determine if the source for the modulation
> was automatically changed from one to the other DCO according to each
> new note playing. Also, I noticed that with the digital pot set to
> zero the signal from the DCO gets loaded down by the VCF so I will
> have to buffer the signals with opamps before sending into the VCF.
> 
> I am still a little bemused with the 12/24db/oct filter since it just
> seems to set a lower cutoff and not much else. I would be interested
> to hear from other people who have done the 12/24 filter mod to see
> how they got best results.
> 
> The moog slayer mod I did just bridged out the 10K resistor with
> another 10K resistor (thus halving it to 5K). I didn't set up the
> digital pot yet. The results are a little scary but workable. I
> definitely think a digital pot is the way to go there.
> 
> Will keep you all posted as I proceed. And do let me know how you're
> all going and any suggestions are always welcome.
> 
> Mike.
> 
> --- In korgpolyex@yahoogroups.com, "patrioticduo" <patrioticduo@>
> wrote:
> >
> > Yep today, I successfully built and installed the FM-800 mod with
> > digital potentiometer control, the Moog Slayer and the 12/24 db filter
> > selector.
> > 
> > Initially testing was ear piercing squelches from the Moog Slayer.
> > Wow, that self oscillation is a real speaker/ear killer.
> > 
> > The 12/24 db switch I was not that impressed with. Why do people like
> > it so much?
> > 
> > The Fm-800 I have yet to test fully. Hopefully, will get to that over
> > the next week or so.
> > 
> > Mike.
> >
>