AW: [sdiy] inductor based distortion

[René Schmitz]

Nils Pipenbrinck wrote:

> I have such a old Vox wah at home (with one of those mystical
> fasel-inductors). I did some measurements, and it's true that this inductor
> saturates different if you reverse the polarity. My guess is that the
> ferrite housing has some magnetism on it's own, but I don't know exactly.

Ferrite has a high remanence, i.e. its magnetically hard, and thus would 
act as a magnet after being biassed for some time. (Its a popular magnet 
material after all.)

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159