Doepfer

Thanks Dieter,

Can I ask what the application of a manual drop to zero is?

Neil 

Sent from my iPhone

> On 8 Sep 2016, at 18:56, yahoo@doepfer.de [Doepfer_a100] <Doepfer_a100@yahoogroups.com> wrote:
> 
> The A-111-2 has no thru-zero feature but only a manual control and a CV
> input for linear frequency adjustment/modulation. With all controls at
> minimum the oscillation nearly stops (typ. 1Hz in VCO mode). But we are
> working on a thru zero version of the A-111-2 (probably named A-111-4). But
> it's too early to publish any details as the circuit is a bit more
> complicated. It's based on a suggestion by Doug Curtis in his documents we
> obtained while we were the European distributor for the Curtis chips in the
> the eighties. The circuit is similar to the CEM3340 based thru zero VCO by
> Juergen Haible but with a few more features (like zero point modulation).
> 
> Best wishes
> Dieter Doepfer
> 
> > Hi people,
> >
> > Does anyone know if the new VCO has thru zero capability? It
> > looks like it from the LF control being able to go to 0 but there
> > isn't specify mention.
> >
> > Neil
> 
>