Upgrade NAD 501 cd player

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eplegutt

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Joined 2007
I´ve got a NAD 501 cd player that I could like to upgrade with new goodies. I´ve read that replacing the op-amp and the condencators on the transformator should help.

Any sugestion which opamp to use? Is the OPA 2604 or TDA1545A any good? The player got a NE 5532 factory installed. Any other tweaks or tips?

Thanks in advance!
 
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