Using Sony 300 disk CD changer as transport


I am planning to purchase a DAC for my sister who currently is using a Sony cd changer mostly as a convenience. Preferrably I would rather buy a cdp since it is probably beeter in term of performance, but my sister doesn't want to have to change disk every time.

So I wonder if the Sony is a good transport and it is worth it to buy a DAC at all? This particular model only has an optical out.
andy2
Getting a DAC for a 300 disk changer is a great way to up the performance of the system. The DACs in the changers are not stellar performers but the transports are reasonable. You might also consider a de-jitter unit before the DAC but do that after you have tried the basic DAC/changer setup to see how it performs.
Is your sister concerned about the sound quality of the changer, because if she's not, then why burden her with any of your audiophile aesthetics? For the vast majority of users a mega-changer system is far preferable than a single disc player.
I would suspect your sister would enjoy the convenience of a 300 disc changer, therefore if you have to use optical, go with a glass optical , and tweak away .
How much would a DIP help? There are a few Monarchy on sale but what type of improvement would one expect?
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