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Windows 7: No sound via SB Audigy LS through amp. Headphones work fine.

29 Jun 2016   #1
samstev

Windows 7 Ultimate x64
 
 
No sound via SB Audigy LS through amp. Headphones work fine.

I've connected up an amp using auxiliary to my PC using RCA to the OUT (green) port in the back of my soundcard (SB Audigy LS).
I also have a pair of Corsair Vengeance wireless headphones connected via USB.
And lastly I have a Logitech webcam with built in microphone connected via USB.
I'm running Win7 Ultimate x64.

I get sound through the headphones fine and the built-in mic also works fine. I don't use the mic on the webcam but in the Sound\Playback Devices dialogue box, under the Recording tab I cab see it responding when I talk.

But, no matter what I do I cannot get any sound from the soundcard out to my amp. I've disabled the onboard Realtek drivers. I've changed the default speakers to the Audigy wherever I can find a setting. I looked in the BIOS (found nothing). I unplugged both the headphones and webcam, rebooted, still nothing.

I've previously had this machine plugged into an amp without a problem. I did rebuild the whole machine relatively recently and reinstalled everything. It has not been plugged into an amp for quite some time (the old amp died) but it's always just worked before. The amp I'm running is only days new and my CD player and turntable both play fine. I can hear feedback through my speakers as I plug the cable into the soundcard, but once it's in, nothing.

Please does anyone have any suggestions as to what I can try?


My System SpecsSystem Spec
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29 Jun 2016   #2
fireberd

Windows 10 64 bit
 
 

First, when you use a USB device, the sound card doesn't really come into play.

Do you have a regular headset (not USB) that you can try on the GREEN speaker jack on the SoundBlaster? That would confirm whether there is a problem related to the sound card or if the problem is in the cable or amp.

Check the Device Manager, Sounds section. Is the SoundBlaster listed and does it show working OK or an error?

You could also try the Realtek. I have a recording studio so I'm attuned to audio quality and I find the Realtek is just as good on sound playback as the SoundBlaster's. Although I have high end equipment for recording, I use Realtek for all PC audio.
My System SpecsSystem Spec
01 Jul 2016   #3
samstev

Windows 7 Ultimate x64
 
 

I mucked about with drivers, did as you suggested with an older pair of headphones, still no joy. Getting annoyed and desperate by this stage, I opened the machine and re-seated the card. That did the trick! Thanks heaps for your help, appreciated.
My System SpecsSystem Spec
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 No sound via SB Audigy LS through amp. Headphones work fine.




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