[sdiy] Boards for a parametric EQ?

[George Hearn]

>id love to find a good pcb board project (With chips??) for a para EQ.
>did someone say they CLONED the ssm chip

Yes, I only have a few right now, but will have lots more soon.  Those at
Synth DIY UK 2008 would have seen (and heard) them.  I am selling them at
£25ea, if anyone is interested mail me off list.

>or was i mis-reading that

>thanks


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> Date: Wed, 10 Sep 2008 18:15:35 -0400
> From: jmahoney at gate.net
> To: robert.lorentz at gmail.com; synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Boards for a parametric EQ?
> CC:
>
>>I have been looking into building my own parametric EQ... [snip] Our
beloved resonance would not
>>have to make an appearance for this..
>
> If no "Q" controls, you are building a semi-parametric EQ. ;-) :-)
>
> If using VCFs as building blocks, it would be straightforward to add
circuits that increase the resonance (i.e. decrease the bandwidth) of a band
as the gain gets further from zero. Some EQs do this -- API, for example, if
memory serves.
>
> John
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> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
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