--- In Doepfer_a100@yahoogroups.com , "selfoscillate"
<synaptic_music@y...> wrote:

>
> --- In Doepfer_a100@yahoogroups.com , "Zoran Bosnjak"

<dj_allin@h...>

> wrote:
> >
> >
> > Ernst,
> >
> > let me jump into conversation. I used to own A-102, and

resonance

> on it is
> > one of the most powerful tools I ever heard. Why Cause the
> character of
> > the sound (or call it a timbre) changes when changing amount of
> resonance.
> > So it is really not about playing resonance as oscillator, but
> more like
> > "timbre modifier". I posted in this group that it is a pity that
> such a
> > powerful feature does not have CV control of resonance amount,

and

> Mr.
> > Doepfer replied, and explained how this feature can be added
> (cause it's
> > nothing but the addition of one VCA to control the amount of
> resonance).
> > However, I do not have the skills to do even something simple

like

> that - I
> > completely depend on manufacturers/third parties when it comes

to

> > alteration/maintenance of my modular.
>
>
> hello zoran,
>
> you can always use a mixer, a multiple and a vca and do
> a patch to get voltage controlled resonance.
> patch the unfiltered signal to one mixer input.
> patch the mixer output to the filter input.
> patch the filter output to a multiple.
> take the signal from the multiple and patch it
> into the vca. then patch the vca output to
> another input of the mixer. opening the vca is
> like increasing the resonance. when using a polarizer
> instead of an vca you can overdrive the resonance
> or you can invert it.
>
> best wishes
>
> ingo
>

oh and what i have forgotten, in some cases it alters
the sound of a filter when a resonance loop or cv of
resonance is added directly to the circuit. so sometimes
it is not the best option to add all features possible.

best wishes

ingo