Re: Apple II drives and automatic monitor degaussing

["Alex Freed" <alexf@mirrow.com>]

"jsnospam@cimmeri.com" <js@cimmeri.com> wrote in message 
1170602664.625730.200080@a34g2000cwb.googlegroups.com">news:1170602664.625730.200080@a34g2000cwb.googlegroups.com...
>
> You know, I never thought to ask before, but why do they not require
> demag-ing just as tape heads do?
>

A (standard) tape recorder is an analog device that is supposed to record a
wide dynamic range of signals. If the head is magnetized the very low level
signals are lost and the dynamic range  (and signal to noise ratio) go down.

For a disk that only cares about 1s and 0s it's not an issue.

-Alex.