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CD upgrade - op-amps replacing

195.117.33.7

Posted by Alex on February 5, 2004 at 01:32:23

Hello,
Sorry for my english , I'm from Poland.

I have Marantz CD6000 (not KI not OSE) and PM7000 amplifier. I'm wondering about replacing NJE2114 in CD.I found infos that LcAudio changed AD825 to AD8066 in theirs upgrades http://www.lcaudio.dk/ad8065.htm
I think about OPA2604, AD8620, OPA627, OPA2134,AD8066 in CD6000. 2604 and the others is popular and well-known opamp in parameters, amplications, sound, disadvantage and advantage. But what about new AD8066. What is 8066 in application and sound; in bas,mid, high; have it some emphasizes or some minuses ? Which is the best op-amp to upgrade to achieve natural, warm sound, no emphasize in middle and treble, no pain, no fatigue tone ? What about yours experiences with changing op-amps in CD player (in Marantz especially) ?

Thank you very much for all answers and suggestions

Best Regards
Alex

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