[sdiy] FatMan Hacking ( and I dont mean hitting me with an Axe!)

[harry]

I have not seen an 18db State Variable Filter...

I do not have sufficient "guru" points to say that it cannot be done...

but the SVF is basically a summing amp and two inverting integrators...
If you add one more the feedback is going to get VERY funny... at least.

Why not just build a clone of the TB-303 filter and ADD it to the fatman...
that would comemuch closer to the sound u want.

H^) hary

matti wrote:

> On Sat, 27 Oct 2001, adam wrote:
>
> > Hi
> >
> >     One thing that you could try is use the unused half of the 13600 /13700
> > used for the VCA as a third stage for the VCF to get the 18 db resposnse, it
>
> can this be done? I don't know how OTAs work, but what I'd gathered is
> that you need two stages for any sort of filtering to work.
>
> Oh ye sages, intervene before we render out fatmans inoperable please.
>
> -
> the bills were all due yesterday
> you've failed
> you're through
> you've failed
> you're through

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