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Subject: Re: [PolySix] VCF cutoff quirkiness

From: "BrainSlayer" <brainslayer@c-u-d.de>
Date: 2004-07-20

the led only indicates that the voice is playing. but not if some error is inside. if one of the led isnt working, a voice is damaged. thats all. if the distortion affects all voices. you must search for another problem. i already sayed that it is possible to distort the sounds with some lfo settings (frequency modulation at full lfo speed)
another source would be the effects (chorus,phaser etc) section. these effects are routet after the voices and they are global too. it surelly would be easier if you can record this effect with an instruction which settings you are using. so maybe i can tweak my polysix to sound like the same. i can also hear if your pre amplifer is damage which is possible too. this will result in an very distorted sound in the most cases (like crackling in a high frequency)
----- Original Message -----
From: dizz@elitemofo.com
To: PolySix@yahoogroups.com
Sent: Tuesday, July 20, 2004 9:24 PM
Subject: Re: [PolySix] VCF cutoff quirkiness


I'll pull the cover and have a look. So if one filter was bad, the LED and it's
corresponding voice wouldn't work? Thanks for your extreme patience with a
not-so-technical person. I sincerely appreciate the help!

dizz

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

> there are six filter chips on the board. 1 for each voice. if you press one
> note it would only use 1 of them. if you release the note and pressing
> another key, another voice (not the same) will be played. so if you trigger 6
> keys in just a normal order you can identify the damage voice if. if you open
> the case you will see that a little led is lighted up for each voice that is
> played (so in fact there are 6 red led's bellow the filter chips)
> just enable the arpeggator and set a slow arpeggio speed. then you will see
> that the 6 led 's are blinking in a linear order. (this works only in poly
> mode, on unisono all led's are lighting up)
>
>
> Sebastian
> ----- Original Message -----
> From: dizz@elitemofo.com
> To: PolySix@yahoogroups.com
> Sent: Tuesday, July 20, 2004 6:38 PM
> Subject: Re: [PolySix] VCF cutoff quirkiness
>
>
> Hi brainslayer,
>
> Thanks for the quick reply. Just to make sure I understand you correctly,
> If
> it were the chip itself I would hear it only in poly and not unison mode?
> Or,
> are you saying hold down six notes in poly mode and it would affect only
> one of
> the notes? My apologies if I'm being thick-headed here.
>
> dizz
>
> Quoting BrainSlayer <brainslayer@c-u-d.de>:
>
> > if the filter chip would be the source of that issue, you would only hear
> it
> > at one of the six voices and not at all. so be sure it isnt the filter.
> > ----- Original Message -----
> > From: dizz662000
> > To: PolySix@yahoogroups.com
> > Sent: Tuesday, July 20, 2004 4:27 AM
> > Subject: [PolySix] VCF cutoff quirkiness
> >
> >
> > Hi, this is my my first post to this group. I bought a Polysix
> > recently realizing they're very old. Actually played guitar mainly
> > in the 80's but there was always a PSix in my basement studio.
> > Background: this unit had maintenance performed by Korg in the 80's
> > and the battery was lifted into a socket before any damage occurred.
> > It works pretty good except; I noticed some volume issues (not being
> > very responsive to cranking it up!) I believe I solved this issue by
> > working the volume pot a few times-maybe a scratchy pot in need of
> > cleaning. More importantly, there's an issue with the VCF cutoff. It
> > doesn't track well when at the lower freqs. When I move the knob it
> > sounds like it's dirty and cuts in and out. When it's stationary (not
> > moving) the freq cuts off where it should. Just to be clear, I can set
> > it any where and get the correct cutoff, it just takes some tweaking
> > at the lower end. This again sounds like maybe a dirty pot. I have
> > heard that the filter chip set may be going?? Not a tech head myself.
> > Sorry for being longwinded but I need to keep this dinosaur roaring!!
> > Any feedback would be appreciated
> >
> >
> >
> >
> > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
> >
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