I am also interested in this question. Reading the mod the zhaolu thread, there is one person using a 521 to feed their Zhaolu, so I am guessing it's better than that CDP. I have a stock Z2.5A, and it's not quite as good as my carver CDP. I have heard the 542, but haven't A/B'd with a Zhaolu. I...

I am interested in adding a Zapfilter to a Zhaolu 2.5 AD1852. Would someone kindly tell me where to get the R-R+L-L+ and grounds from the AD1852? Also, which solder bubbles do I fill in for this chip, is it the same as the CS (ie 2, 4, 6)? Thanks in advance.

Ae you at all handy? Can you wield a soldering iron without branding the cat and setting fire to the curtains? I am keen to get a zhaolu and mod it. Small investment and big sound. Also, I can tune the sound to my taste by easily swapping opamps. Lots have done the same here, lots of info and...

Depends on what you need a soundcard for - games and or music? Some USB souncards work better than PCI SC for 16bit 44.1kHz stereo music, but they wont work with 5.1 or 7.1, 96, 192kHz.