hello ingo,
thanks for that info about the a132 dual vca! useful
indeed.
best regards,
bakis.





--- selfoscillate < synaptic_music@... > wrote:

>
> hello bakis,
>
> you can amplify a signal even with a vca.
> for example if you send a cv greater than
> +5 volts to the cv inputs of an a132, it will
> actually amplify the signal. if you send a cv
> of +10 volts to the cv inputs of an a132,
> the signal will be amplified by factor 2.
>
> but you are right, it is far better to use
> an a133, because it has even more gain.
> it is also interesting to invert the
> resonance loop with the a133. this can have
> very nice effects, depending on the used
> filter.
>
> best wishes
>
> ingo
>
>
>
>
> --- In Doepfer_a100@yahoogroups.com , Bakis Sirros
> <synth_freak_2000@y...> wrote:
> >
> > hello, ingo,
> > as far as i remember, the feedback loop(resonance)
> > that one can make with the modules you
> > mentioned(a1870, a138,vca) will sound ok, if you
> > replace the vca with the vc polarizer module a133.
> the
> > reason for this is that the resonance loop must
> have
> > an amplification rate of more than 1. so, instead
> of a
> > vca module(a131,a132) one should use a real VC
> > amplification module like the a133 which has a
> gain
> > rate of 2,5. dieter coprrect me if i'm wrong
> though.
> > best regards,
> > bakis.
> >
> >
> >
> >
> >
> > --- selfoscillate <synaptic_music@y...> wrote:
> >
> > > --- 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
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> > Bakis Sirros
> > Parallel Worlds
> > Athens-Greece
> > 1 group owner
> > http://www.shimarecords.co.uk
> > http://www.rubber.gr
> >
> >
> >
> > __________________________________
> > Yahoo! Mail - PC Magazine Editors' Choice 2005
> > http://mail.yahoo.com
> >
>
>
>
>
>

Bakis Sirros
Parallel Worlds
Athens-Greece
1 group owner
http://www.shimarecords.co.uk
http://www.rubber.gr



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