Quote:
Originally Posted by darrenlee 
Hi Maniac,
I'm fairly new to all these DAC things and need your advice on
DA 151
I'm actually using my source from pc.. (i suppose usb would be more suitable).
1) from my understanding devices using usb does take up resources in CPU.. will it affect the applications that i'm running like (flash, photoshop, dreamweaver all at the same time?)
2) i do intend to pair it up with nEar 04 (near field active speakers) and skip the amp for now. Will this be advisable?
3) sometimes i do use this to play movies and games (although most of the time it will be for music).. Will DA 151 be able to support?
4) i have a internal sound card that support S/PDIF called realtek ALC889A . Since this is an internal sound card that comes with the MB. Will that affect the sound quality if i choose the DA 131?
Thanks for your time
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#1. DA-151 takes (or most other USB audio device for that matter) so little resource that you won't notice much difference at all, even if you are monitoring it with a CPU meter.
#2. You will need to make sure you have an external mean of volume control, since controlling the volume from computer via software will degrade sound (Always set it at 100% if possible)
#3. If you only use two channels, it should work just fine, but I personally recommend dedicated sound card that is designed for game when you play game, as it does offer game oriented features. (like 3D positioning of sound, etc)
#4. In most cases DA-131 with the LME49710 upgrade should be able to beat DA-151, but I recommend upgrading to cards with high quality digital output to make DA-131 really shine. There are flame wars going on elsewhere about this, but I'll risk it here one more time. SPDIF is more than just 0 and 1s, it also carries the timing information that directs when the sound should be sent out. With higher quality digital source, almost any DAC will always play even better than before.

Of course, if you do not plan to upgrade anytime soon, I recommend DA-151 for its ease of use and fully integrated design. Not to mention it is cheaper than DA-131 :P
Thanks