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The Xonar Essence STX Q/A, tweaking, impressions thread - Page 266

post #3976 of 4907
Quote:
Originally Posted by networkn View Post

 

What I mean, is that sound that should be coming from the centre speaker, in games, like Crysis2, all of a sudden are coming from the left front speaker! Very annoying.

 

I must say I am struggling somewhat to understand this STX Control Panel and it's different connections, as for some reason I have changed a setting, I can't see, and now I can get sound from my speakers OR headphones but not both as was happening a few days ago (Even though I would like an easy way to stop sound from my HP easily. 

 

Weird.... I have no idea other than the possibility that the speakers are hooked up wrong, or the software in Crysis is messing them up. You can open Windows control panel --> sound. Highlight the Asus Xonar item and click "configure".  In that you should be able to click individual speakers and get a test tone. Does that work?

post #3977 of 4907
Quote:
Originally Posted by elwappo99 View Post

It was just using it on really high volumes. I run the RCA's to a pair of Hivi speakers and they created a lot of distortion at volumes > 80%
As I understand things, the ST and STX require external amps, e.g. my recently-purchased Pyle® PCA-2 Stereo Power Amplifier (40W x 2), from the dual-RCA outputs ("2 Speakers") to drive anything but internally-amplified speakers, as ASUSTeK Computer only runs the buffer dual op amp to the dual RCA's. (The 1/4" Headphone jack has a Texas Instruments® TP6120A2 dual audio amplifier IC.) What wattage RMS is available to those Hivi's?
post #3978 of 4907
Quote:
Originally Posted by bcschmerker4 View Post


As I understand things, the ST and STX require external amps, e.g. my recently-purchased Pyle® PCA-2 Stereo Power Amplifier (40W x 2), from the dual-RCA outputs ("2 Speakers") to drive anything but internally-amplified speakers, as ASUSTeK Computer only runs the buffer dual op amp to the dual RCA's. (The 1/4" Headphone jack has a Texas Instruments® TP6120A2 dual audio amplifier IC.) What wattage RMS is available to those Hivi's?

 

 

I'm not sure how much power the Hivis get, they just have a built in amp. However, I had used them a long time with the stock opamps with no issue, then I changed over to the 2137 I got incredibly high distortion levels when the Asus soundcard's volume was set to really high or really low. I thought it was the speakers at first, so I maxed out the sound card volume and got the same distortion levels at every power level of the speakers, if that makes any sense. I also hooked it up to an external headphone amp and had the same issue. 

post #3979 of 4907
Quote:
Originally Posted by L36i View Post

What about that 3rd chip they call the buffer? What its function and can it be upgraded? I'm having tough time finding info on that.

So from what i understand LME49720NA is a bad choice and an upgrade to LME49720HA should be considered?

Thanks.

 

Quote:
Originally Posted by mowglycdb View Post

 

 

I've ran something similar.     Buffer LME49710HA + 2x LME49720HA (I/V) .    It has a lot of amp and it's clean, sound stage is okay, airy highs , detail is good, it's more full bodied than the counter parts LME49720NA, has better bass, though we have to take in consideration that the Xonar ST "is" short on bass. LME49720NA, I've heared LME49720NA is a bit harsh on the trebles, I'm not sure if it's dark as the LME49860NA with rolled off treble (which I didn't like at all). The only fall down about the LME49710HA/LME49720NA is that sound isn't that convicing a bit metalic if you compare it to the Audio GD NFB-1.32 DAC.

 

Quote:
Originally Posted by L36i View Post

So i can use a LME49720HA as a buffer correct? I might try that if that's the case...

 

Ok seriously you two, just read a bit, in the past 5 pages I have mentioned atleast twice per page that they are ****. the ENTIRE LME49*** range!!!!! get them if you wan't but they have no bass. This excludes the LME49990.

 

Quote:
Originally Posted by bcschmerker4 View Post

As I understand things, the ST and STX require external amps, e.g. my recently-purchased Pyle® PCA-2 Stereo Power Amplifier (40W x 2), from the dual-RCA outputs ("2 Speakers") to drive anything but internally-amplified speakers, as ASUSTeK Computer only runs the buffer dual op amp to the dual RCA's. (The 1/4" Headphone jack has a Texas Instruments® TP6120A2 dual audio amplifier IC.) What wattage RMS is available to those Hivi's?

You have OCD don't you? 

post #3980 of 4907

Right now sound is outputting to my Speakers via optical toslink and my HD650's at the same time, how can I easily switch the headphones on and off, with preferably a keyboard shortcut or single click?

post #3981 of 4907
Hi,
 
I've got a problem at the moment with the dual analog outputs on my Essence STX.
 
When I'm in "2 Speakers" mode in the Xonar Audio Center, audio comes out only through my speakers and not my headphones (As intended.)
 
When I'm in "Headphones" mode (the amped port), I'm hearing a much quieter/distorted version of the audio coming through my speakers at the same time (the RCA ports) (headphones audio quality is fine though).
 
Is this a fault with this card?
post #3982 of 4907
Quote:
Originally Posted by utuser View Post

Hi,
 
I've got a problem at the moment with the dual analog outputs on my Essence STX.
 
When I'm in "2 Speakers" mode in the Xonar Audio Center, audio comes out only through my speakers and not my headphones (As intended.)
 
When I'm in "Headphones" mode (the amped port), I'm hearing a much quieter/distorted version of the audio coming through my speakers at the same time (the RCA ports) (headphones audio quality is fine though).
 
Is this a fault with this card?

 

When in "Headphone" mode, analog audio is really only expected to go thru the first two (I/V) op-amps and the STX's 1/4" headphone jack port only.

I'm guessing while in "Headphone" mode,the audio signal is leaking thru the 3rd "buffer" op-amp to the RCA jacks.

Headphone jack only use 2 op-amps, the RCA output uses all three op-amps.

post #3983 of 4907
Quote:
Originally Posted by PurpleAngel View Post

 

When in "Headphone" mode, analog audio is really only expected to go thru the first two (I/V) op-amps and the STX's 1/4" headphone jack port only.

I'm guessing while in "Headphone" mode,the audio signal is leaking thru the 3rd "buffer" op-amp to the RCA jacks.

Headphone jack only use 2 op-amps, the RCA output uses all three op-amps.

Yep, that was it, buffer op-amp was inserted the wrong way causing this issue. Had to use another one, but works great now!

post #3984 of 4907
Hi. i'm new here and need advice.
What OPamps are better for upgarde stock card?
I've heard a lot about LME49720HA and LME49860, but lack of bass is not good for me.. Choosing between LME49990 and AD797BR. What's better for headphones HD 650? or you can advise me something else redface.gif
Have read many threads on russians audiophiles forum and people don't have conclusion.
P.S. Sry for my english redface.gif
post #3985 of 4907
Quote:
Originally Posted by Snoozz View Post

Hi. i'm new here and need advice.
What OPamps are better for upgarde stock card?
I've heard a lot about LME49720HA and LME49860, but lack of bass is not good for me.. Choosing between LME49990 and AD797BR. What's better for headphones HD 650? or you can advise me something else redface.gif
Have read many threads on russians audiophiles forum and people don't have conclusion.
P.S. Sry for my english redface.gif

Please add your country in your Community profile.

 

I've used the LME49860NAs and now currently using the AD797BRs.

 

I would say to get the LME49990 or the 4032 op-amps.

post #3986 of 4907
For a "tubey" sound take some AD8620BR (NOT AD8620AR)

I just love them!
post #3987 of 4907

this thread is making me regret selling my Xonar Essence STX.. (got a Audinst MX-1 to replace it)

post #3988 of 4907

I replaced my 49720s with frugalphiles 49990s. The sound has marginally improved and the bass a better and the mids and highs are slightly more clear.

 

These are the ones I bought. You will need 2 of them for your ST/STX:

 

http://www.ebay.co.uk/itm/190762476231?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649

post #3989 of 4907
Quote:
Originally Posted by utuser View Post

Yep, that was it, buffer op-amp was inserted the wrong way causing this issue. Had to use another one, but works great now!

 

WAT? doing that fries the opamp, and if you have bad luck it could fry something in your sound card, you were lucky. I had a OPA627AU (only had left out, the right was dead) I inserted it in the wrong way in my ST and  it started smokin' as soon as I turned my comp on.

post #3990 of 4907
Quote:
Originally Posted by mowglycdb View Post

 

WAT? doing that fries the opamp, and if you have bad luck it could fry something in your sound card, you were lucky. I had a OPA627AU (only had left out, the right was dead) I inserted it in the wrong way in my ST and  it started smokin' as soon as I turned my comp on.

Mine wasn't as obvious, but my right channel on the HP fried a month later 

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