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Asus Xonar ST, Louder sound after power with a dedicated power supply !! (at least +1.5dB)

post #1 of 3
9/4/11 at 4:23am
Thread Starter 

Hi All,

 

I noticed a louder sound at least +1.5dB,,  from (headphone port) after connected the card to a dedicated power supply.

(im using Normal Gain 0dB, with ATH-M50 headphone, and its kinda better in sound quality too.

 

I used to set the volume to the maximum, but now I set it to -4dB :D

 

more info:

(Windows 7 Ulitmate)

(foobar2000 1.1.17---ASIO)

(previous power supply- shared with PC 500W)

(current power supply- dedicated 500W)


Edited by BA_D_R - 9/4/11 at 4:25am
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post #2 of 3
9/4/11 at 5:28am

What make was the previous power supply? For there to be volume difference, the applicable rails of that power supply would have to be sagging significantly.

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post #3 of 3
9/4/11 at 5:36am

Must have been a really poor no-brand power supply or whatever you used. Never skip on the power supplies it's like the heart for the computer, I use a Corsair HX 750W myself but yea I'm a computer hardware enthusiast so I need a little more power too. Now I heard low ripple on the PSUs can also help a little as far as the soundcard output quality goes but probably quite neglible differences if any. But that it would result in such big result in volume level sounds a little strange.


Edited by RPGWiZaRD - 9/4/11 at 5:38am
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