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Doepfer

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Re:A-111-2 Dynamic VCO

2009-03-25 by selfoscillate

no, i don't think so.
the a138e is for manual operation only.

best wishes

ingo

--- In Doepfer_a100@yahoogroups.com, "scistudio440" <nuipb@...> wrote:
>
> Interesting this A-138e module. However can you control those knobs with CV ?
> 
> 
> --- In Doepfer_a100@yahoogroups.com, zaum <zaum@> wrote:
> >
> > > Sorry to be such a latecomer to this, but I've just found out about  
> > > the A-111-2 and it looks great, but I really hope it will have LFO  
> > > capacity. I've not understood why this isn't more common as it's  
> > > great where space is a premium & it's a really useful feature on my  
> > > EML-101 (other brilliant EML features were the continually variable  
> > > VCO waveform, VCF (LP-BP-HP), and amplitude/ring modulation, which  
> > > no one else seems to offer).
> > 
> > I for one found that an interesting module.
> > 
> > For what it's worth, though I'm not the greatest electronics expert,  
> > my understanding is the EML does "cheat" on those variable features.  
> > Most of the features you describe aren't true morphs, they are merely  
> > crossfades between multiple outputs (that you don't  get individual  
> > outputs for, the pot is your only access). So I think you could  
> > achieve similar results with the A-138e as a 3-way crossfader.
> > 
> > Actually as a side topic which hopefully isn't too DIY and  
> > potentially slightly off-topic. I know the EML used a lot of center  
> > tapped pots. I'm curious if anyone knows where to obtain some or has  
> > had success modifying a standard pot to have an additional center tap?
> > 
> > As for the ring modulator, as I understand it it's also considered  
> > fully balanced modulation with 4 quadrant VCAs that respond to  
> > negative voltages. One can vary the index/degree of the modulation  
> > and get varying amounts of AM, a key difference would be with AM you  
> > can hear the carrier while ring modulation more or less rejects the  
> > carrier though not always perfectly. While a lot of newer modules  
> > omit a control for less than balanced modulation quite a few older  
> > ones had it. Serge, Buchla and PAIA come to mind. Generally one can  
> > do one better than EML and get voltage control of the degree of  
> > modulation from zero up to ring. That's one big downside of EML, you  
> > get some very interesting controls via pots but they are only manual,  
> > not VC.
> > 
> > Nick
> >
>

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