Dem clock mod for Marantz CD-80 in non-os mode - diyAudio
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Old 17th February 2014, 12:25 PM   #1
noyan is offline noyan  Turkey
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Default Dem clock mod for Marantz CD-80 in non-os mode

Hi,
I did the following modifications in my Marantz CD80:
-SAA7220 digital receiver chip removed.
-A master clock implemented to feed 11.2896mhz and also 2.8224mhz to feed pin2 of the TDA1541AS1 chip.
-Dem clock implemented like Grundig 9009 schematic.
-Analog output of dac chip is amplified by an Aikido tube preamp (6n2p-ev + 6n30p-dr).

Soundig simply great to me. But, anyway i wonder, the following Grundig 9009 Dem clock circuit is really working well in my cd player or not. Because my cd player is non-os but Grundig 9009 working in os mode. Any comment?

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