> Anti Jitter Unit???? 
 > I've been looking through the operations manual for the
 > Apogee AD-500. The main point is that these can be cheaper than some of
 > the "audiophile" versions, yet this is what the industry uses for
 > conversion.
 > The quality of the ADC that is originally done is very important, very
 > akin to the quality of the cartridge on the turntable is to any quality
 > considerations downline. 
   Essentially, we again face the question of whether gear being better at 
the 
listeners end than at the recording end can possibly make any difference, and 
if so, in what pieces. 
   If I understand correctly the first conversion made during the time of 
actual recording directly from the musicians or shortly thereafter from a 
"Master Tape" is what everyone must contend with. If it is a bad/poor 
recording, all the mixing in the world is only going to mask some of the 
unwanted material as well as mask an equal portion of the wanted material.
If it is a professional quality recording with true reproduction/duplication 
the engineers target, than there shouldn't be too many places where problems 
can be introduced to the material except in the listeners system itself. 
Therefore many of the gadgets that we salivate and or laugh about in this 
Echo are intended to correct the problems we introduced ourselves. And, if we 
would have been careful in the selection of our CD Players/Transports and 
DACs, the Gizmos might not be needed. 
   This makes too much sense. Nothing in life can be that simple (At least 
not my life). Although I have read several reviews of all in one CD units 
under $400 that were given equal status with Mondo-multi-piece CD units 
running many times their price. Nothing would make me happier as I price the 
different units!
   Someday I would like to sit in on a recording session whether in a studio 
or at a live performance and observe the engineers put their equipment 
through 
its' paces. I would then like to secure one of the first available copies and 
play it at home to see just how close it comes to the real thing.
Cheers, John
 
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