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Old 30th December 2001, 12:04 PM   #1
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Question Class A output stage for CD Player

Hello,

I have an Harman Kardon HD750 HDCD CD Player and i want to modify the output stage. This original DAC is a Burr Brown PCM1732 one bit with a NJM4560L op amp. I would change the NJM4560L by a AD825 plus a class A output stage (tube or not) or directely replace the NJM4560L by a class A or valve output stage.
This is not a great problem with "standard DAC" but The only problem i have is that PCM1732 have HDCD Gain and i don't want to make a mistake.
Does somebody have an idea how to do ? and where i can found a class A output stage schem for this type of DAC ?

Excuse me for my english, I'm french.

Pascal.
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