[QuadList] vintage head refurb forms

[Don Norwood]

Hi Ted:

I have some of the CMC heads, and I thought it was just a different trade name.  Wasn't AST registered to Ampex?

Don 
  ----- Original Message ----- 
  From: Ted Langdell 


  Side question: Can anyone tell what CMC Technology's "D.P.T. (Dynamic Parallel Tracking)" heads for Ampex machines differed from Ampex's AST (Automatic Scan Tracking) heads for 1" Type C?


  Ted
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