--- In Doepfer_a100@yahoogroups.com , "laryn91" <caymus91@...> wrote:

>
> Am I missing something or is there an actual advantage to those
> distorted sine waves on all Doepfer oscillators They don't sound or
> look much like sine waves at all. Is there a user advantage or is

this

> just a trade-off design for cutting costs (i.e. lame diode tri-to-

sine

> converters)
>
> With such high distortion, Doepfer sine waves don't make useful
> additive or FM sources, and not enough harmonic content as useful
> subtractive sources. The distorted shape makes noticeable unnatural
> sounding LFO modulations. I find I never use them and wish for higher-
> quality pure sine waves.
>
> Sadly from the scope shots, I noticed even the 111-2 still maintains
> these low-quality sine waves. What am I missing

i think it is quite normal on vco's that the sine is not pure.
from a musical point of view this must not be a disadvantage,
but if you are doing fm it certainly is.
obtaining pure sinewaves from a vco is almost impossible,
thats why all true fm-synths are digital.
but of course purer sinewaves can be obtained with an
improved sine shaping circuit. i think i have read something
about modding an a110 in this regard, but i cannot recall
where i have read it.

best wishes

ingo