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Sound card distortion

post #1 of 7
Thread Starter 
Hey guys,

I seem to have a problem with my sound card (Sound Blaster X-Fi Xtreme Audio PCI Express).

Whenever I put the volume up to 100% I can hear distortion in the right tweeter. I checked the AMP (Pioneer SA-300) and my speakers(Yamaha NS-BP300) and came to conclusion that it's my sound card.

Playing some music with audio coming from on-board sound card no issues. Plug in to sound card and I can hear distortion. BUT the distortion does disappear if I turn down the volume to 50%.

Any ideas what the problem could be?

Thanks smile.gif
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post #2 of 7
That is normal.
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by Nick911 View Post

That is normal.

So PC output being 100% and amp volume knob at 2(from 10) should give me distortion in the right channel?
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post #4 of 7
Might be because you are double amping the signal.

Sound card to speaker = 1x amp.
Sound card to amp to speaker = 2x.
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post #5 of 7
If you are connecting the sound card to the amp via RCA cables, reverse them and see if the distortion now comes from the left. If you can't do that, reverse the speakers. This will help you understand where the distortion is being introduced.

I think you may clipping somewhere in the audio chain, which will manifest itself primarily in the tweeters. Clipping kills tweeters. Its odd you'd only get it on one channel, though. Check the balance on both the sound card and the amplifier and make sure they're centered.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by kevmatic View Post

If you are connecting the sound card to the amp via RCA cables, reverse them and see if the distortion now comes from the left. If you can't do that, reverse the speakers. This will help you understand where the distortion is being introduced.

I think you may clipping somewhere in the audio chain, which will manifest itself primarily in the tweeters. Clipping kills tweeters. Its odd you'd only get it on one channel, though. Check the balance on both the sound card and the amplifier and make sure they're centered.

Yep swamping RCA cable did move the distortion, so it's coming from the sound card.
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post #7 of 7
There's a number of different places where that can get messed up- The Creative Control Panel, Console Launcher, Sound Properties, probably a couple others. I'd check them all. If that doesn't help, reinstall drivers. If that doesn't consider an RMA. It could be a failing Op-Amp or something like that. Or just keep the volume down. If you have an oscilloscope, it'd be worth it to look at the distorted waveform.
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