[Fwd: Re: RES: [sdiy] Synthacon/Steiner-Parker VCF inputs]

[Cynthia Webster]

Hello? Helloooo?

http://www.cyndustries.com/modules_synthaconfilter.cfm

Cynthia


Luis Marka wrote:
> Never thought about feeding different signals to the Synthacon before!
> Actually I was thinking about putting only one input on the Steiner filter,
> and individual pots to attenuate the signal to the 3 different inputs. This
> way I would be able to mix the 3 different inputs. Good idea, Adam!
>
> To Derek:
> If you really want to select only one input at a given time it is possible
> to use an analog switch IC a la 4051, and some logic control to select which
> mode to use - for example, a binary counter and a push button as clock, or
> something in that line, or even a 3-position ON-OFF-ON switch. Actually I
> did something similar in a clone of the Roland System 700 fixed filter bank
> I built because I could not find a suitable ON-ON-ON switch ate the time...
>
> Luis Marka
>
>
> -----Mensagem original-----
> De: synth-diy-bounces at dropmix.xs4all.nl
> [mailto:synth-diy-bounces at dropmix.xs4all.nl]Em nome de Adam Schabtach
> Enviada em: quarta-feira, 24 de junho de 2009 14:52
> Para: Synth-diy at dropmix.xs4all.nl
> Assunto: RE: [sdiy] Synthacon/Steiner-Parker VCF inputs
>
>
> Oh, no! Don't do that!
>
> Well, okay, do it if you want to, but if you do, you're missing out on half
> the fun of that circuit. See, you can plug different signals into the
> different inputs and then the filter acts sort of like a frequency-dependent
> mixer, where the frequency control varies the blend of the two or three
> input signals. It's a unique effect and arguably one of the reasons to have
> the filter in your system at all, because frankly there are many
> better-sounding filters out there.
>
> Just my $0.02 worth, of course. Also note that I built my filter from the
> Catgirl PCB rather than Marc's, and I don't know how they differ.
>
> --Adam
>
>   
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl
>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Derek Holzer
>> Sent: Wednesday, June 24, 2009 10:31 AM
>> To: Synth-diy at dropmix.xs4all.nl
>> Subject: [sdiy] Synthacon/Steiner-Parker VCF inputs
>>
>> I'm using Marc Bareille's PCB for the
>> Synthacon/Steiner-Parker VCF clone. It has separate inputs
>> for the HP, BP and LP inputs and a common output. Since I
>> only intend to use one type of filter at a time, I plan to
>> use a switch to change which part of the filter core the
>> input signal goes to.
>>     
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
>