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<DIV>NET in Ann Arbor had one of the handful of Ampex High Speed dubbers.
The master was a mirror image that was done on a AVR 1 with special heads.
The tape was a special formulation that 3 M did with an orested of about 3000
(?). This would allow the magnetic information to be transferred in
special stations. The machine was very fast and they never seemed to have
any quality issues. </DIV>
<DIV> </DIV>
<DIV>when the building caught fire it was the end of an era. I have copied
an expert on this machine to see if he wishes to comment.</DIV>
<DIV> </DIV>
<DIV>Chris Hill</DIV>
<DIV>WA8IGN</DIV></FONT></BODY></HTML>