Doepfer

the a110 vco needs approxímately 45 minutes time for
warming up. maybe this is why it gets out of tune?

best wishes

self oscillate


--- In Doepfer_a100@yahoogroups.com, "Andreas Lindholm" 
<andreas.k.lindholm@t...> wrote:
> I have had theese kind of problems myself with my A110 and that is 
why I
> hate it. I have recalibrated the damn thing about 20 times or so 
and it
> always gets out of tune after a while. So now I have given up and 
use it as
> an LFO. That's not very helpful and perhaps I have a crazy one, but 
you are
> not alone ;)
> 
> 
> ----- Original Message -----
> From: "Jed Cappelli" <exacta@m...>
> To: <Doepfer_a100@yahoogroups.com>
> Sent: Monday, March 24, 2003 7:06 PM
> Subject: [Doepfer_a100] Re: tuning and scale
> 
> 
> > hello all,
> >
> > i am the owner of an A-100 basic system who just joined your 
group.  it
> seems as though the oscillators(A-110) in my system are not exactly 
in tune
> with eachother, when both the range and the fine tune (set to 0) 
are set the
> same, one oscillator is slightly higher in pitch.  its slight, but 
still
> audible.  is this normal?  if not, does anyone know of an internal
> potentiometer of some sort, that i would be able to calibrate?  
also, with
> the factory reference offset at 0, should the A-100 be in tune with 
the rest
> of my synths, i.e. when i press C on my midi controller, should the 
doepfer
> be playing a C (when the tune is on 0)?  this does not seem to be 
the case,
> so i adjusted the ref. offset to compensate.  also on ref. offset,  
i am not
> sure how stable the A-110 modules are in general, for example, when 
setting
> the reference offset should i do this with the tune set to 0? or 
should i
> set the tune at say... 5, to give my self room in case i have make 
minor
> adjustments up or do!
> > wn?
> >
> > about scaling:  every once in a while my midi interface module A-
190 seems
> to reset to a crazy scaling where the bottom octave plays a 
disturbing
> augmented scale, and then all other keys play the same high 
frequency (i
> have no idea why this sometimes happens, and any insight into the 
causes
> would also be immensly helpful).  so... when i reset the A-190 to 
the
> default factory settings the scaling is always slightly off.  i 
have read
> the manual about how to adjust the scaling, and i seem to have done 
it prope
> rly, however, the language and wording in the manual can be slightly
> difficult to completely understand.  my questions on this issue 
are, do i
> have to change the bottom note once i initialize the A-190 or can i 
leave it
> as note number 36? cuz in the manual it reads "After setting the 
bottom note
> and voltage offset...".  When setting the voltage offset to tune 
the osc. to
> the rest of my synths, which note should i be pressing? cuz if the 
scaling
> is off, and im tuning a note!
> >  in the middle of the keyboard wont the tuning then change a bit 
once i
> adjust the scaling? what is the best way to tune the synth? i have 
a guitar
> tuner im using, and im not sure whats the best wave to use as to not
> introduce any harmonics that might throw the tuner off, would sine 
be best?
> and finally which key should i be pressing when setting the scale, 
2, 3, or
> 4 octaves up from the bottom note?  which is best? in the manual it 
says "an
> octave or several octaves above the bottom note" a bit vague isnt 
it?
> >
> > im sorry to assault you guys with this violent barrage of 
questions and
> interrogation, but im a fairly new user who is trying to get the 
most out of
> this awesome machine and im excited to have found other owners of 
this synth
> who i can correspond with.
> >
> >
> > To unsubscribe from this group, send an email to:
> > doepfer_a100-unsubscribe@yahoogroups.com
> >
> >
> >
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> >
> >
> >