>Sorry for not making myself clear. My intention was to recommend the
>Butterworth filter for removal or attenuation of subsonic frequencies.
>It is true that DC does not always act like an AC signal with a
>frequency of 0 Hz. FYI, for the Windows platform, Cool Edit 96
>(http://www.syntrillium.com), can remove DC offsets. I don't believe
>that program is available for Mac, however.


true.
mac haz
  soundhak
+ son!kworkx
+ sounDeffektz
+ etc


Protecting speakers = !n.l!ne.fusz 2amp $1