[sdiy] filters, inductors & Q

[Paul Perry]

> I don't see inductors used much in audio filters, but I think I read 
> somewhere that an inductor will have greater Q than a similar circuit 
> without one. What are good reasons to not use inductors in audio filters?

The good reason 'not to', is the expense & the size and the weight 
and the comparative unobtainability.

But for a wah, 'sharpness' isn't everything.
here is the definitive analysis of the traditional wah:
www.geofex.com/Article_Folders/wahpedl/wahped.htm 

And for an account of the history of the wah, ther eis the recent book
"Analog Man's Guide to Vintage Effects" by Tom Hughes.
Quite a lot of interviews with pioneer fx designers, a fun read.
(no schematics, though!)

paul perry Melbourne Australia