Doepfer

I know that you can use the SSM2164 in a filter, but check out these sites.
It may help you understand more on how it is used.

http://www.charlielamm.com/synth/duallinearvca.php

http://www.analog.com/en/prod/0,2877,SSM2164,00.html

On 3/30/06, Martin Rudling <martinrudling@hotmail.com> wrote:
>
>  I didn´t follow that logic really. Do you mean it wouldn´t be of interest
> as
> a filter with this IC only?
> Do you know any other manufacturer that uses this chip in a filter?
>
>
>
>
> >From: "selfoscillate" <synaptic_music@yahoo.com>
> >Reply-To: Doepfer_a100@yahoogroups.com
> >To: Doepfer_a100@yahoogroups.com
> >Subject: [Doepfer_a100] Re: technichals...
> >Date: Fri, 31 Mar 2006 07:08:35 -0000
>
> >
> >
> >hello martin,
> >
> >the ssm2164 is a high-quality ic with very low distortion,
> >so probably the "amusement" is caused by the valves.
> >
> >best wishes
> >
> >ingo
> >
> >
> >
> >--- In Doepfer_a100@yahoogroups.com, "Martin Rudling"
> ><martinrudling@...> wrote:
> > >
> > >
> > > Hi!
> > >
> > > I´ve asked Allen & Heath tech support what chips they used for the
> >VF-!
> > > analogue valve stereo-filter. I didn´t get much wiser from the
> >answer
> > > though.
> > > Maybe some one here knows about the chip SSM2164?
> > >
> > > (As you will see this is cuts from 2 different e-mails)
> > >
> > > >>>The active circuitry in the VF-1 is based on the SSM2163 Quad
> >VCA IC in
> > > an analogue filter configuration, supported by standard TL072 op-
> >amps
> > > and of course a pair of ECC82 valves.
> > > >Thanks for your reply. Please note the typo in my last reply and
> >the fact
> > > >that it is the SSM2164, not 2163 IC that is the active VCA.>>>
> > >
> > > I´m curious, cuz I really love the sound of this machine, and I
> >wonder how
> > > much of this amusement is due the valve/overdrive section...
> > >
> > >
> > > >
> > >
> >
> >
> >
> >
> >
>
>
>
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--
listen to my tunes,

http://www.cubanpetemusic.com/12_21_04%20final%20mix.mp3

www.cubanpetemusic.com


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