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Discussion about the Korg PolySix synthesizer

Index last updated: 2026-04-28 23:40 UTC

Message

Re: [PolySix] VCF cutoff quirkiness

2004-07-20 by dizz@elitemofo.com

Thanks again Brain. I'll let you know how I turn out.

dizz

Quoting BrainSlayer <brainslayer@c-u-d.de>:

> its really easy to remove all of the boards. nothing is really sealed. just
> remove the screws from the pots on the topside and remove the screws from the
> board. some wire connections are sealed with a little bit (not hard to break)
> glue. but thats really all. all components are easy to compose and decompose
>   ----- Original Message -----
>   From: dizz@elitemofo.com
>   To: PolySix@yahoogroups.com
>   Sent: Tuesday, July 20, 2004 10:23 PM
>   Subject: Re: [PolySix] VCF cutoff quirkiness
>
>
>   OK-that makes things a bit more clear. I didn't think it would be the
> filters
>   because I can reproduce all of the original presets (a wide range of sounds
> and
>   very cheesy I might add). It's just when I tweak the cutoff, it seems to
> cut
>   out at spots, mainly toward the lower freqs. It acts just like a dirty pot
> on a
>   guitar etc. I think I'll try to clean it out if possible. The KLM 370 looks
>   easy to remove. I haven't actually had the cover off yet, but do you know
> if
>   the pots can be cleaned out? Or are they sealed?  The Psix is an awesome
>   compliment to my Moog and MS2K etc,,, I think I have a pretty good one
> judging
>   from some of the horror stories regarding battery damage. Thanks a bunch
> for
>   all the help!!
>
>   dizz
>
>   Quoting "Chromatest J. Pantsmaker" <chromatest@graffiti.net>:
>
>   > No no...  basically, they are saying that the filter probably isn't bad.
>   > There are 6 discrete filters, one for each voice.  If when you play 6
> notes
>   > in a row (middle C pressed 6 times for example) they all sound the same
> (bad)
>   > there are two options.  One option is that ALL 6 filter chips are bad, or
>   > it's not the filters.  Since it would be pretty strange that all 6 filter
>   > chips would be bad, you probably don't need to worry about them.
>   >
>   > Either the bad sound is coming from some sort of weird setting that is
>   > telling the voices to make the sound, or there is something wrong after
> the 6
>   > voices are combined together.
>   >
>   > Now if you only had one note of the 6 pressed that sounded bad, then it
> must
>   > be something on that voice, whether the VCO or VCF or related
> circuitry...
>   >
>   >
>   >
>   >
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>
>   PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
>
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