I have 2 M15s.. from the panel their range is 3.2Hz-20KHz, lower via CV.

They sound great to me..

I use the morph more for manually crossfading oscillators - very
convenient because it puts 3 out of the 4 available waveforms useable
from one output, aside from the individual outs for each.

The sync was described as somewhere between soft and hard sync, and I
really like the way it sounds... a rough beating sound when the VCOs
are tuned in between harmonics and the sync is grabbing for a stable
spot - nice.

From what I understand, the M15 has exponential FM input.. vs. the
linear FM of the Zeroscillator. But then, I haven't heard the ZO to
compare how the different FMs behave (someone care to explain )

-Bryan

--- In Doepfer_a100@yahoogroups.com , "thomasborax" <thomasborax@...>
wrote:

>
> --- In Doepfer_a100@yahoogroups.com , "selfoscillate"
> <synaptic_music@> wrote:
>
> >
> > i didn't have the time for real in-depth comparison yet,
> > but to my ears the model15 and zeroscillator sound
> > quite different. the possible amount of linear fm
> > seems to be greater on the zeroscillator, so it can
> > produce a wider range of sounds. the fm performance
> > is really outstanding on the zeroscillator, i have
> > never heard anything like it before.
> >
>
>
>
> hi. pardon me for resuscitating an older topic. lately i've been
> pondering incorporating more "fm" type possibilities into my doepfer
> suitcase synth.
>
> would anyone on the list mind detailing the high/low points of the
> doepfer high end vco, the plan b model 15 and the zeroscillator
>
> it is easy to see how the ZO is very crazy and flexible, but it is not
> immediately obvious to me what features the plan b m15 offers over the
> a111, other than the morph, and since the morph is vactrol controlled,
> i conclude that it is therefore not possible use audio signals to
> morph wave forms. i don't doubt the many fans of this oscillator, but
> what is the big deal
>
> what is the lowest frequency available on the m15 and the a111
>
> it is saddening somewhat that the ZO just went up again in cost. it
> would most likely take up too much room in my small synth too.
>
> thx in advance for anyone who contributes info ----- - - - -
>
> tom
>