[sdiy] Debugging Hammond filter circuit

[cheater cheater]

I have just noticed that, but I thought it was David's PCB layout for
the 2164 expo.

And he wonders why it tracks 'only' 8 octaves. ;-)

D.

On Tue, Apr 27, 2010 at 00:21, Donald Tillman <don at till.com> wrote:
> Aaron,
>
> A recent XKCD comic provides another interpretation of the filter patent:
>
>   http://www.xkcd.com/730
>
> Enjoy!
>
>  -- Don
>
> --
> Don Tillman
> Palo Alto, California
> don at till.com
> http://www.till.com
>
>
>
>
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