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In Reply to: RE: There have been many discussions here and elsewhere that posted by audiophilect on March 22, 2009 at 08:36:57
Hahax is wrong about needing an op-amp in a CD player. Even a discrete one. There are many that are built with discrete, non-op-amp circuits. Two examples are the Ayre D-1xe DVD player and the Ayre C-5xe MP universal player.
The Ayre CX-7e uses *integrated circuits* to keep the costs down, but they are not op-amps. An op-amp uses feedback as its basic operating principle. The integrated circuits in the Ayre CX-7e (and AX-7e) use no feedback. They are essentially just a collection of transistors in one package.
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