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

[Tony Quinn]

In message <8CCBE0B5B192A10-28F4-B6DD at webmail-m102.sysops.aol.com>, 
rabruner at aol.com writes
>Yes that's right. Half the voodoo in setting up the AST servo is
>adjusting the gain and damping on the loop.

Wasn't it just? There was one particular variant, I think that it might 
have been the -08, that was incredibly sensitive. We kept one of those 
heads, which was otherwise life-expired, for the express purpose of 
setting up the servos. If that was stable, we knew that we could drop 
just about any other head in with no adjustments.
-- 
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respect their delusionary state.