Doepfer

Hello Mr. Doepfer,

Congratulations on two more winning designs.

I was wondering: what is the reason behind the non-linear values of 
the various BBD-taps? Is this because of the properties of the BBD? 
Like for instance 3328/396 = 8.4 

Greetings,

Anton


On 8 Sep 2006, at 9:58, hardware@doepfer.de wrote:

> Ingo,
> 
> thank you for this clarification. Yes, the circuit used in the new VCO has a
> VCF and VCA available and this may explain some of the unusual functions of
> the module. Of course we could omit these sections to obtain a "pure" VCO
> but this does not make sense from my point of view. And don't forget the
> linear FM of the filter. This is not possible with any other filter of the
> A-100 (I don't know if there are other filters with linear FM available).
> And a VCA for AM applications is not a bad idea too. So you could treat the
> VCF and VCA as a (nearly) free extra.
> 
> Best wishes
> Dieter Doepfer
> 
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> > [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von selfoscillate
> > Gesendet: Freitag, 8. September 2006 08:29
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: [Doepfer_a100] Re: New impressive Doepfer modules revealed!!!
> >
> >
> >
> > hello guys,
> >
> > just to clear some things out on the new a111/2 dynamic vco:
> >
> > the module uses a special ic for it's functions.
> > this ic features not only the vco, but it has also
> > the vcf, the vca and the panning unit built-in.
> > since all the parts are already there, they are brought
> > out to the front panel. the vcf in the a111/2 is similar
> > to the vcf in the a109, but it is not the same, as the vcf
> > in the a111/2 can be modulated with the triangle core
> > waveform in a linear manner. in other words, you can do
> > linear fm on that vcf and you cannot do this with any other
> > a100 filter (they all have exponential fm). the built-in
> > panning unit is basically the same as in the a109, but
> > again you will use it differently in the a111/2.
> > in the a111/2 you will use it to create new waveforms.
> > so after all the a111/2 does not intentionally replicate
> > some of the a109 features, it just has all the stuff
> > on-board which is needed for this new vco design,
> > and it offers the vcf because it is part of the ic
> > and has that linear-fm-feature.
> >
> > naturally it is possible to use the a111/2 as an almost
> > complete synth voice (also a module some people have asked for),
> > but that was not what dieter wanted to achieve in the first
> > place. the module should more be seen as a new vco approach
> > which can "alternatively" be used as a synth voice.
> >
> > the module also shouldn't be compared with a buchla 259,
> > as it uses completely different techniques (except that
> > both have a triangle vco core) and offers completely
> > different features. i can understand the expectations and
> > yes, the 259 is gorgeous, but it's really a different
> > pair of shoes.
> >
> > best wishes
> >
> > ingo
> >
> >
> >
> > --- In Doepfer_a100@yahoogroups.com, Axel Jungkunst <phaedra@...>
> > wrote:
> > >
> > > Just my opinion! I'm a bit surprised of the doubling of the 109-
> > features
> > > into a new module.
> > > The 259 features or something in this way would have been that I
> > had
> > > expected!
> > > All the best
> > > Axel
> > >
> > > Jay schrieb:
> > > >
> > > > Bakis Sirros wrote:
> > > > > hello jay,
> > > > > for standard stuff the a109 is ok.
> > > > > the a111-2 is for more wierd stuff though.
> > > > > best regards,
> > > > > Bakis.
> > > >
> > > > I understand that the new oscillator has different features and
> > how they
> > > > can be used. I'm just saying that the pan/filter/vca part seems
> > quite
> > > > redundant in a modular synthesizer. That space could better be
> > used for
> > > > a second modulation oscillator like a Buchla 259.
> > > >
> > > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> 
> 
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> Yahoo! Groups Links
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