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Old 30th October 2008, 08:24 AM   #1
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Join Date: Aug 2007
Question Parasound DAC-1000 upgrade/tube conversion?

Hello all,

I have an almost stock Parasound DAC 1000 which i want to upgrade. I have already replaced the dac chips to the K-grade version. What I am looking now is:

Replace the digital filter and spdif, probably with the ones that are offered by audiotuning from Germany. They claim for a big improvement in the sound. Has anyone done that and how is the sound?

Replace the op amps with the opa627. However I see there are a lot of different opa627 versions - opa627au, opa627bp and etc. Which one would be the best for the DAC 1000?

Has anyone tried a complete conversion to a tube circuit which should replace the op amps and what is the result?

Thanks to all!
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