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<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">Yes that's right. Half the voodoo in setting up the AST servo is adjusting the gain and damping on the loop.</div>
<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">Bob Bruner</div>
<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">W9TAJ<br>
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Date: Sun, 09 May 2010 13:44:34 -0400<br>
From: Dennis Degan <<A href="mailto:DennyD1@verizon.net">DennyD1@verizon.net</A>><br>
To: Quad List <<A href="mailto:quadlist@quadvideotapegroup.com">quadlist@quadvideotapegroup.com</A>><br>
Subject: Re: [QuadList] Ampex AST heads and CMC DPT heads--what's<br>
different?<br>
<br>
<br>
I add:<br>
<br>
<br>
This would make the complete AST system a closed-loop servo. The <br>
narrow piezo strip was the key to making it work.<br>
<br>
<br>
Dennis Degan, Video Editor-Consultant-Knowledge Bank<br>
NBC Today Show, New York<br>
</TT></div>
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