[QuadList] Ampex AST heads and CMC DPT heads--what's different?

[Bryan Olding]

Some information from the VPR-80 training manual on the AST assembly -
apologies for appearance, I don't have a document scanner so snapped this
with the digital camera.

Regards,

Bryan Olding
Auckland, New Zealand

----------------------------------------------------------------------
Date: Sun, 09 May 2010 13:44:34 -0400
From: Dennis Degan <DennyD1 at verizon.net>
To: Quad List <quadlist at quadvideotapegroup.com>
Subject: Re: [QuadList] Ampex AST heads and CMC DPT heads--what's
	different?

		I add:

	This would make the complete AST system a closed-loop servo.  The  
narrow piezo strip was the key to making it work.

			Dennis Degan, Video Editor-Consultant-Knowledge Bank
	  					NBC Today Show, New York
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