Thanks for the reply:
I have the procedure form the manual, and it was very unclear, and
referred to VRs that did not exist and did not refere to ones that did
(The old verses new production problem.) Mine is a new production
board. What do each of the VR's do? On the 367 board there are VR1,
VR2. VR3, VR4, VR14, a D#-E4 VR, etc.
Any help is appreciated.
>>> jo.synth@crossnet.at 04/07/03 02:19PM >>>
I do not know about the Poly-61; as far as I know it has DCOs, which
generate the frequency in a digital manner. So out of tune in only
a region of the keyboard is per definition "not possible"...
The Poly-6 is different. It is truly analog - at least in this aspect.
There are 6 independent VCOs; each can be tuned seperately with two
potis: low/high, addtionally there are three overall potis
(low/mid/high). Even more, Polysix is using so called "strechted
tuning". This means it is slightly out of tune intentionally; to
gain more movement in the sound. The manual says, this is about
8..12cents over the whole KBD range. I strongly recommend that you
follow the adjustment procedure given in the service manual - at
least the first time you do it. Once you know how it behaves and
which poti is doing what, you can turn away from DVMs, oscilloscopes,
and tuners and trust your ears..
If you do not have the adjustment procedure, let me know; I can send
it to you.
PolySix@yahoogroups.com wrote:
> Mine is like that too!
>
> To be honest, I've never really found it to be that big a
> problem, but I have wondered if there's a simple
> calibration I could do to fix it...?
>
>
> --- ghwelles <GHWelles@bbklaw.com> wrote: > --- In
> PolySix@yahoogroups.com, "Ian Harris"
>
>>><iharris@i...> wrote:
>>>
>>>>I'm also having a tuning problem with my Poly 61. One
>>>
>>>end of the
>>>keyboard is in tune and it gets more and more of of tune
>>>as you go
>>>towards the bass end. Any suggestions on how to fix it?
>>>
>>>I have the exact same problem with my Poly six. Anyone
>>>have any
>>>suggestions?
>>>
>>>
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