[QuadList] Ampex High Speed Dubber

[Chill315 at aol.com]

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.  
 
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.
 
Chris Hill
WA8IGN
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