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: 1 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
> >
> >
> >
> > Your use of Yahoo! Groups is subject to

http://docs.yahoo.com/info/terms/

> >
> >
> >