HB>                                   
HB>                            
JH> The bias applied to a tape head is an ultrasonic signal fed along
  > with the music information to keep the oxide magnetization within
  > the linear portion of its hysteresis curve.  The various tape types
HB>The metal tapes I recently purchased read on the label:
HB>"PURE METAL   OXIDE FREE"
HB>What does that mean?  No oxide magnetization?
Sales hype.
Dennis Jenkins
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 * PW * sorry no taglines
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