24 db/oct filter schematic

[jorgen.bergfors at idg.se]

>Here's a link to my filter schematic:
>http://www.evenfall.com/diy/filter.gif

Nice schematics! Just a few questions:

There is no offset adjustment. Maybe this isn't necessary? Have you thought about this?

I don't quite understand why the timing caps are of two different values. I thought they all should be the same. Can you explain this?

/Jorgen