From: utzoo!decvax!harpo!duke!unc!mcnc!jwb Newsgroups: net.audio Title: Re: Why it might not be good to demagnetize Article-I.D.: mcnc.1450 Posted: Mon Jan 3 21:56:43 1983 Received: Tue Jan 4 04:10:01 1983 References: rocheste.360 I tried a mail response but could not make it. The bias is AC, therefore its average value is zero. Therefore if the head assymptotically assumes this value then its residual magnetism will be zero. Is this wrong?