[AH] Re: [sdiy] Re: [AH] CEM / SSM Chips used in non-synths?

[Samppa Tolvanen]

On 12/21/05, Jeffrey Needham <jneedham at scale-abilities.com> wrote:
> If you crack the evolver, you will see the analog chip (1/voice) is fab-ed
> by OnChip Systems and is 247, if I recall.
>
> > > "yes; the chip is very close to the Marion.  systems is either a re-incarnation of CEM or just owns the IP to fab
> them, I can't tell.  They don't exactly have a web-site are located close by
> (for me), still in North San Jose, CA.
>

 > "yes; the chip is very close to the Marion."

Makes me to believe that Dave owns the rights and the IP ;=) Look at
the "OnChip Systems" homepage.


>
>
> On 12/21/05 3:46 AM, "Samppa Tolvanen" <samppa.tolvanen at gmail.com> wrote:
>
> > On 12/17/05, Sean Costello <seancostello2003 at comcast.net> wrote:
> >> What are the new CEMs called? I know that they are not technically CEM, but
> >> Doug Curtis designed a chip that was originally intended for the Marion
> >> Systems (is that the name? ya know, Oberheim's company) synth, and is now
> >> used in the David Smith Evolver and Polyevolver. Does anyone know what this
> >> chip contains? Presumably a filter, but is there also a VCA? VCO or two?
> >>
> >> Thanks,
> >>
> >> Sean Costello
> >>
> >
> > Sean,
> >
> > I asked this from Dave himself by quoting your email. Being a busy
> > man, his brief reply was:
> >
> > "yes; the chip is very close to the Marion. Has 2 oscillators, LP
> > filter, a few VCAs all on one chip. "
> >
> > Samppa
>
> Jeff Needham, Principal, Scale Abilities, Inc.
> Oracle Performance Architect / Music and Film Production
> VOX 408 739 2344 FAX 408 739 2394 IP jneedham at scale-abilities.com
>
>
>
>