[sdiy] SSM2164 state-variable filter PCB now available
Michael Zacherl
sdiy-mz01 at blauwurf.info
Thu Oct 16 01:41:51 CEST 2008
Hi Neil, I do like the sound examples you put online!
On Oct 15, 2008, at 2:12 AM, Scott Nordlund wrote:
> How "well-behaved" is it in the end?
This mp3s could probably answer your question!
;-) Michael.
On Oct 15, 2008, at 12:00 AM, Neil Johnson wrote:
> Hi all,
>
> If I may be so bold... a little announcement:
>
> PCBs for my SSM2164-based 3-pole state variable filter are now
> available. Details, etc, here:
> http://www.milton.arachsys.com/nj71/index.php?menu=2&submenu=0&subsubmenu=1
>
> Note: I've decided to try a standardised form factor for my PCBs,
> 80mm x 80mm (3.15" x 3.15") with 70mm x 70mm (2.75" x 2.75") M3
> fixing centres. Should make it easy to stack them for large multi-
> PCB systems.
>
> It sounds quite clean - being state variable there isn't the
> distortion/character that you get with a ladder filter. As with any
> analogue system, drive the input hard and it will distort, if that's
> what excites you.
>
> Sometime this week (perhaps a job for the weekend) I'll put up some
> MP3s demonstrating this filter.
>
> Cheers,
> Neil
> --
> http://www.njohnson.co.uk
>
>
>
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