Archive of the former Yahoo!Groups mailing list: Discussion about the Korg PolySix synthesizer

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Subject: Re: Modwheel VCO VCF VCA Issue

From: "djangowes" <djangowes@yahoo.fr>
Date: 2012-05-18

Ok. I forget to ask something else. Is it possible with the P6 to select NO waveform (like on Junos), in order to get fsound from filter alone?

thanks,

Ed.



--- In PolySix@yahoogroups.com, "djangowes" <djangowes@...> wrote:
>
> Hello Johannes,
>
> thanks. Interesting mod is to be able to get the two waveforms at one time. I'll try this.
> For the other ones, I'm starting to think that a clean midi upgrade would be the best solution. This seems to be a great improvment (I've seen your kit and what it does : great job!).
>
> rgds,
>
> Ed.
>
> --- In PolySix@yahoogroups.com, Johannes Hausensteiner <johau@> wrote:
> >
> > You can find this along with more mods I had made to my P6 before I did
> > the MIDI kit in the files section of the list (Files/Mods/P6_MODS.ZIP).
> >
> > Have fun!
> >
> > Johannes
> >
> >
> > On 17.05.12 22:04, Andrew Jury wrote:
> > > Hi Team,
> > >
> > > Just for the record, routing the mod wheel to either the VCO or VCF is
> > > possible if you have one of Johannes¹s MIDI kits. This comes as an option
> > > extra/feature!
> > >
> > > Cheers,
> > > Andy
> > >
> > >
> > >
> > > On 17/05/2012 17:58, "djangowes"<djangowes@> wrote:
> > >
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> Hello,
> > >>
> > >> OK, I understand now. I thought the wheel could affect VCF OR VCA OR VCO (i'm
> > >> sure i'm not the only one to have thought of this as it could be understand
> > >> like this if we read the panel of the P6). So my P6 works as it should. Great
> > >> news!
> > >> It's a shame as it could have been cool to mod the vca or vcf alone with the
> > >> wheel.
> > >> Thanks to both of you backshall1 and klosmon.
> > >>
> > >> rgds,
> > >>
> > >> Ed.
> > >>
> > >> --- In PolySix@yahoogroups.com<mailto:PolySix%40yahoogroups.com> ,
> > >> "backshall1"<backshall1@> wrote:
> > >>>>
> > >>>> The mod wheel is always connected to the VCO, and never to VCF or VCA,
> > >>>> unless someone had made other modifications to the KLM-367.
> > >>>>
> > >>>> The LFO has two outputs labeled "A" and "J" on the circuit diagram (bottom
> > >>>> right corner). The "A" signal goes to CN06 pin 1 out to the mod wheel and
> > >>>> back in pin 2. From there it goes directly to the VCO MOD circuit on IC8.
> > >>>> The "J" signal is controlled by the VCO/VCF/VCA switch and sends the amount
> > >>>> selected by the Level control in the MG section to the correct destination.
> > >>>>
> > >>>>
> > >>>>
> > >>>> This doesn't sound like the way you expected it to work, but that's how it
> > >>>> was designed. Changing the Mod Wheel should never affect the filter or amp.
> > >>>>
> > >>>>
> > >>>>
> > >>>> Don B.
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> _____
> > >>>>
> > >>>> From: PolySix@yahoogroups.com<mailto:PolySix%40yahoogroups.com>
> > >>> [mailto:PolySix@yahoogroups.com<mailto:PolySix%40yahoogroups.com> ] On
> > >>> Behalf Of
> > >>>> djangowes
> > >>>> Sent: Thursday, May 17, 2012 11:06 AM
> > >>>> To: PolySix@yahoogroups.com<mailto:PolySix%40yahoogroups.com>
> > >>>> Subject: [PolySix] Re: Modwheel VCO VCF VCA Issue
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> Ok. after some searches, I'm pretty sure it comes from the KLM367. My P6>>
> > > had
> > >>>> a battery leak then has been repaired before I have it.
> > >>>> I'd like to know where is produced the LFO signal. (what part of the
> > >>>> circuit). Then the idea would be to follow the signal and find the place
> > >>>> (crossroads) where it has to choose between VCO, VCA or VCF.
> > >>>> Anybody knows?
> > >>>>
> > >>>> thanks,
> > >>>>
> > >>>> --- In PolySix@yahoogroups.com<mailto:PolySix%40yahoogroups.com>
> > >>> <mailto:PolySix%40yahoogroups.com> ,
> > >>>> "djangowes"<djangowes@> wrote:
> > >>>>>>
> > >>>>>> Hello all,
> > >>>>>>
> > >>>>>> I've had a P6 for a year and I there is an issue about the modwheel.
> > >>>>>> What it does is:
> > >>>>>> _when Mod switch is set at VCO, then modwheel affects VCO pitch. It's
> > > OK.
> > >>>>>> _when Mod switch is set at VCF, modwheel modulates VCF AND VCO... KO.
> > >>>>>> _when Mod switch is set at VCA, modwhell modulates VCA AND VCO... KO.
> > >>>>>>
> > >>>>>> So the two last position shows an issue. It is not supposed to modulate
> > >>>> VCO each time.
> > >>>>>> On the other hand it works nice when using MG with pots on control
> > >>>> panel.
> > >>>>>>
> > >>>>>> Modwheel is linked to KLM369 then signal reaches KLM367.
> > >>>>>> Problem with modswitch? I wonder where i should start to find the
> > >>>> culprit.
> > >>>>>> Does anybody know when the issue could come from?
> > >>>>>> Thanks for any kind of help.
> > >>>>>>
> > >>>>>> rgds,
> > >>>>>>
> > >>>>>> Ed.
> > >>>>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> [Non-text portions of this message have been removed]
> > >>>>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> > > ------------------------------------
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