I've had my 1000 do this. I would turn it on and start playing. After 30
seconds or so random notes would be softer than others. Drove me nuts as
I thought it might be caps going bad but it didn't seem to be the same
voice having the problem. I did a reset and everything was ok. If you
haven't tried that it's worth a shot.

On 12/29/2012 7:04 AM, > oberheim@yahoogroups.com originally typed on
the keyboard:

> OBERHEIM SYNTH
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> Digest #690
> 1a
> Re: Matrix 1000 weirdness <#1a> by "Dubravko" dsimag
>
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> Message
>
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> 1a
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> Re: Matrix 1000 weirdness
> < http://groups.yahoo.com/group/oberheim/message/1460;_ylc=X3oDMTJybnBsMmcyBF9TAzk3MzU5NzE1BGdycElkAzEzNTA3MTkwBGdycHNwSWQDMTcwNTAyMzg2NQRtc2dJZAMxNDYwBHNlYwNkbXNnBHNsawN2bXNnBHN0aW1lAzEzNTY3ODI2ODI- >
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> Fri Dec 28, 2012 6:34 am (PST) . Posted by:
>
>
> "Dubravko" dsimag
> <mailto: dsimag@... subject=Re%3A%20Matrix%201000%20weirdness>
>
> Hi,
>
> I have somewhat similar problem. Below certain and not always the same
> key my Matrix 1000 generates tones of significantly lower volume.
> Could be they are also different sounding, but it's hard to tell.
> Did you have success with battery test
>
> BR Dubravko
>
> --- In oberheim@yahoogroups.com <mailto:oberheim%40yahoogroups.com>,
> Martin Ator <cyllall@...> wrote:
> >
> > What's the memory back-up battery voltage measuring
> >
> >
> >
> > ________________________________
> > From: robhukin <robhukin@...>
> > To: oberheim@yahoogroups.com <mailto:oberheim%40yahoogroups.com>
> > Sent: Tuesday, 18 September 2012, 1:42
> > Subject: [oberheim] Matrix 1000 weirdness
> >
> >
> > Â
> > Hi All,
> >
> > I have a Matrix 1000 which plays different (or variations of)
> patches above and below a particular key. This happens in most, if not
> all patches and the 'split' key is not always the same. It also
> happens in edited patches - above the 'split' seems to be the one that
> corresponds most to what I set in the editor. All voices sound the
> same above and below the 'split'.
> >
> > There are other strange things going on with this Matrix, such as
> the pulse width range only being 0 - 4, but the 'split' one is
> confusing me the most. Any ideas...
> >
> > rob.
> >
>
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